changes from CR of IAR fixes for nRF5x port

Author: nvlsianpu

hal/targets/cmsis/TARGET_NORDIC/TARGET_NRF5/TARGET_MCU_NRF52832/TOOLCHAIN_ARM_STD/nRF52832.sct

@@ -18,7 +18,7 @@ LR_IROM1 0x1C000 0x0064000  {
    *(InRoot$$Sections)
    .ANY (+RO)
   }
-  RW_IRAM1 0x20002080 0x0000DF80  {
+  RW_IRAM1 0x20002EF8 0x0000D108  {
    .ANY (+RW +ZI)
   }
 }

hal/targets/cmsis/TARGET_NORDIC/TARGET_NRF5/TARGET_MCU_NRF52832/TOOLCHAIN_IAR/nRF52832.icf

@@ -6,13 +6,13 @@ define symbol __ICFEDIT_intvec_start__ = 0x1c000;
 /*-Memory Regions-*/
 define symbol __ICFEDIT_region_ROM_start__   = 0x1c000;
 define symbol __ICFEDIT_region_ROM_end__     = 0x7ffff;
-define symbol __ICFEDIT_region_RAM_start__   = 0x20002080;
+define symbol __ICFEDIT_region_RAM_start__   = 0x20002ef8;
 define symbol __ICFEDIT_region_RAM_end__     = 0x2000ffff;
 export symbol __ICFEDIT_region_RAM_start__;
 export symbol __ICFEDIT_region_RAM_end__;
 /*-Sizes-*/
 /*Heap 1/4 of ram and stack 1/8*/
-define symbol __ICFEDIT_size_cstack__   = 0xc00;
+define symbol __ICFEDIT_size_cstack__   = 0x800;
 define symbol __ICFEDIT_size_heap__     = 0x1800;
 /**** End of ICF editor section. ###ICF###*/
 

hal/targets/hal/TARGET_NORDIC/TARGET_NRF5/TARGET_MCU_NRF51822/analogin_api.c

@@ -62,7 +62,7 @@ uint16_t analogin_read_u16(analogin_t *obj)
 
     nrf_drv_adc_channel_t adc_channel;
 
-     
+    // initialization by assigment because IAR dosen't support variable initializer in declaration statement.
     adc_channel.config.config.resolution = NRF_ADC_CONFIG_RES_10BIT;
     adc_channel.config.config.input      = NRF_ADC_CONFIG_SCALING_INPUT_FULL_SCALE;
     adc_channel.config.config.reference  = NRF_ADC_CONFIG_REF_VBG;