Reduced u8glib SPI speed to fosc/8

Makes the lib compatible with most LCDs

ArduinoAddons/Arduino_0.xx/libraries/U8glib/utility/u8g_com_arduino_hw_spi.c

             1	1		fclk/128
       */
       SPCR = 0;
-      SPCR =  (1<<SPE) | (1<<MSTR)|(0<<SPR1)|(0<<SPR0)|(0<<CPOL)|(0<<CPHA);
+      SPCR =  (1<<SPE) | (1<<MSTR)|(0<<SPR1)|(1<<SPR0)|(0<<CPOL)|(0<<CPHA);
 #ifdef U8G_HW_SPI_2X
       SPSR = (1 << SPI2X);  /* double speed, issue 89 */
 #endif