Update FYSETC STM32F103 ldscript and script (#18179)

buildroot/share/PlatformIO/ldscripts/fysetc_aio_ii.ld → buildroot/share/PlatformIO/ldscripts/fysetc_stm32f103rc.ld

 MEMORY
 {
 	ram (rwx) : ORIGIN = 0x20000000, LENGTH = 48K
-	rom (rx)  : ORIGIN = 0x08010000, LENGTH = 256K - 40K - 4K
+	rom (rx)  : ORIGIN = 0x08010000, LENGTH = 256K - 64K
 }
 
 /* Provide memory region aliases for common.inc */

buildroot/share/PlatformIO/scripts/STM32F103RC_fysetc.py

+import os
 from os.path import join
 from os.path import expandvars
-Import("env", "projenv")
+Import("env")
 
 # Relocate firmware from 0x08000000 to 0x08010000
-# for define in env['CPPDEFINES']:
+#for define in env['CPPDEFINES']:
 #    if define[0] == "VECT_TAB_ADDR":
 #        env['CPPDEFINES'].remove(define)
-#env['CPPDEFINES'].remove(("VECT_TAB_ADDR", 134217728))
 #env['CPPDEFINES'].append(("VECT_TAB_ADDR", "0x08010000"))
 
+#custom_ld_script = os.path.abspath("buildroot/share/PlatformIO/ldscripts/fysetc_stm32f103rc.ld")
+#for i, flag in enumerate(env["LINKFLAGS"]):
+#    if "-Wl,-T" in flag:
+#        env["LINKFLAGS"][i] = "-Wl,-T" + custom_ld_script
+#    elif flag == "-T":
+#        env["LINKFLAGS"][i + 1] = custom_ld_script
+
 # Custom HEX from ELF
 env.AddPostAction(
 	join("$BUILD_DIR","${PROGNAME}.elf"),