Add needed platform defined gaurds to compile with Arduino IDE

Also removed explicit platform HAL directory inclusion from platformio.ini to make sure these errors are caught by Travis in the future

Marlin/src/HAL/HAL_LPC1768/HardwareSerial.cpp

  *
  */
 
+#ifdef TARGET_LPC1768
+
 #include "../../../macros.h"
 #include "../HAL.h"
 #include "HardwareSerial.h"
 #ifdef __cplusplus
 }
 #endif
+
+#endif // TARGET_LPC1768

Marlin/src/HAL/HAL_LPC1768/LPC1768_Servo.cpp

  *
  */
 
+#ifdef TARGET_LPC1768
 
 #if HAS_SERVOS
 
 
 #endif // HAS_SERVOS
 
-
+#endif // TARGET_LPC1768
 

Marlin/src/HAL/HAL_LPC1768/SoftwareSerial.cpp

 http://arduiniana.org.
 */
 
+#ifdef TARGET_LPC1768
 
 //
 // Includes
   // Read from "head"
   return _receive_buffer[_receive_buffer_head];
 }
+
+#endif // TARGET_LPC1768

Marlin/src/HAL/HAL_LPC1768/WInterrupts.cpp

   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
 
+#ifdef TARGET_LPC1768
+
 #include "../../../macros.h"
 #include "../HAL.h"
 #include "arduino.h"
 }
 }
 #endif
+
+#endif // TARGET_LPC1768

platformio.ini

   https://github.com/lincomatic/LiquidTWI2.git
   https://github.com/teemuatlut/TMC2130Stepper.git
   https://github.com/adafruit/Adafruit_NeoPixel.git
-default_src_filter = +<*> -<example_configurations> -<src/HAL/HAL_*> -<frameworks>
+default_src_filter = +<*> -<example_configurations> -<frameworks>
 
 [env:megaatmega2560]
 platform = atmelavr
 build_flags = -I $BUILDSRC_DIR
 board_f_cpu = 16000000L
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:megaatmega1280]
 platform = atmelavr
 build_flags = -I $BUILDSRC_DIR
 board_f_cpu = 16000000L
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:printrboard]
 platform = teensy
 # Bug in arduino framework does not allow boards running at 20Mhz
 #board_f_cpu = 20000000L
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:printrboard_revf]
 platform = teensy
 board = teensy20pp
 build_flags = -I $BUILDSRC_DIR -D MOTHERBOARD=BOARD_BRAINWAVE_PRO
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:rambo]
 platform = atmelavr
 build_flags = -I $BUILDSRC_DIR
 board_f_cpu = 16000000L
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_AVR>
+src_filter = ${common.default_src_filter}
 
 [env:anet10]
 platform = atmelavr
 board = due
 build_flags = -I $BUILDSRC_DIR -D MOTHERBOARD=BOARD_RAMPS4DUE_EFB
 lib_deps = ${common.lib_deps}
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_DUE>
+src_filter = ${common.default_src_filter}
 
 [env:teensy35]
 platform = teensy
 build_flags = -I $BUILDSRC_DIR
 lib_deps = ${common.lib_deps}
 lib_ignore = Adafruit NeoPixel
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_TEENSY35_36>
+src_filter = ${common.default_src_filter}
 
 [env:Re-ARM]
 platform = nxplpc
 build_flags = !python Marlin/src/HAL/HAL_LPC1768/lpc1768_flag_script.py
 lib_ldf_mode = off
 lib_deps = U8glib-ARM
-src_filter = ${common.default_src_filter} +<src/HAL/HAL_LPC1768> +<frameworks/CMSIS/LPC1768>
+src_filter = ${common.default_src_filter} +<frameworks/CMSIS/LPC1768>
 extra_scripts = Marlin/src/HAL/HAL_LPC1768/lpc1768_flag_script.py