Merge pull request #319 from FrankBoesing/progmem

PROGMEM -> FLASHMEM

output_pt8211_2.cpp

 #endif
 DMAChannel AudioOutputPT8211_2::dma(false);
 
-PROGMEM
+FLASHMEM
 void AudioOutputPT8211_2::begin(void)
 {
 	dma.begin(true); // Allocate the DMA channel first
 	}
 }
 
-PROGMEM
+FLASHMEM
 void AudioOutputPT8211_2::config_i2s(void)
 {
 

output_spdif.cpp

 
 #endif
 
-PROGMEM
+FLASHMEM
 void AudioOutputSPDIF::begin(void)
 {
 
 #endif
 #endif
 
-PROGMEM
+FLASHMEM
 void AudioOutputSPDIF::config_SPDIF(void)
 {
 #if defined(KINETISK)

output_spdif2.cpp

 
 uint32_t  AudioOutputSPDIF2::vucp = VUCP_VALID;
 
-PROGMEM
+FLASHMEM
 void AudioOutputSPDIF2::begin(void)
 {
 
 
 }
 
-PROGMEM
+FLASHMEM
 void AudioOutputSPDIF2::config_SPDIF(void)
 {
 	CCM_CCGR5 |= CCM_CCGR5_SAI2(CCM_CCGR_ON);

utility/imxrt_hw.cpp

 #if defined(__IMXRT1052__) || defined(__IMXRT1062__)
 #include "imxrt_hw.h"
 
-PROGMEM
+FLASHMEM
 void set_audioClock(int nfact, int32_t nmult, uint32_t ndiv, bool force) // sets PLL4
 {
 	if (!force && (CCM_ANALOG_PLL_AUDIO & CCM_ANALOG_PLL_AUDIO_ENABLE)) return;