Fix SPI issue for SPI1

Author: kcouck

platforms/arm/k66/clockless_block_arm_k66.h

@@ -3,6 +3,7 @@
 
 //
 // unmodified from k20 code
+// TODO: check if PORTB can be used from bit 16-23 (byte 3)? -> 24-Way Parallel?
 //
 
 // Definition for a single channel clockless controller for the k20 family of chips, like that used in the teensy 3.0/3.1

platforms/arm/k66/fastpin_arm_k66.h

@@ -112,7 +112,6 @@ _DEFPIN_ARM(60,  2, E); _DEFPIN_ARM(61,  3, E); _DEFPIN_ARM(62,  4, E); _DEFPIN_
 
 #define SPI_DATA 11
 #define SPI_CLOCK 13
-#define SPI1            (*(SPI_t *)0x4002D000)
 
 #define SPI2_DATA 7
 #define SPI2_CLOCK 14

platforms/arm/k66/fastspi_arm_k66.h

@@ -2,7 +2,11 @@
 #define __INC_FASTSPI_ARM_H
 
 //
-// unmodified from k20 code
+// copied from k20 code
+// changed SPI1 define to KINETISK_SPI1
+// TODO: add third alternative MOSI pin (28) and CLOCK pin (27)
+// TODO: add alternative pins for SPI1
+// TODO: add SPI2 output
 //
 
 FASTLED_NAMESPACE_BEGIN
@@ -264,7 +268,7 @@ class ARMHardwareSPIOutput {
 				SIM_SCGC6 = sim6 | SIM_SCGC6_SPI0;
 				SPIX.CTAR0 = SPI_CTAR_FMSZ(7) | SPI_CTAR_PBR(1) | SPI_CTAR_BR(1);
 			}
-		} else if((SPI_t*)pSPIX == &SPI1) {
+		} else if((SPI_t*)pSPIX == &KINETISK_SPI1) {
 			if (!(sim6 & SIM_SCGC6_SPI1)) {
 				//serial_print("init1\n");
 				SIM_SCGC6 = sim6 | SIM_SCGC6_SPI1;