files and folders renamed to remove case sensitivity

libraries/mbed/targets/cmsis/TARGET_NORDIC/TARGET_NRF51822/cmsis.h

@@ -7,7 +7,7 @@
 #ifndef MBED_CMSIS_H
 #define MBED_CMSIS_H
 
-#include "nRF51822.h"
+#include "nrf51822.h"
 #include "cmsis_nvic.h"
 
 #endif

libraries/mbed/targets/cmsis/TARGET_NORDIC/TARGET_NRF51822/cmsis_nvic.h

@@ -10,7 +10,7 @@
 #define NVIC_NUM_VECTORS      (16 + 32)   // CORE + MCU Peripherals
 #define NVIC_USER_IRQ_OFFSET  16
 
-#include "nRF51822.h"
+#include "nrf51822.h"
 #include "cmsis.h"
 
 

libraries/mbed/targets/hal/TARGET_NORDIC/TARGET_NRF51822/gpio_irq_api.c

@@ -26,7 +26,7 @@ static uint8_t channel_enabled[CHANNEL_NUM] = {0};
 static uint32_t  portRISE= 0; 
 static uint32_t  portFALL= 0; 
 static gpio_irq_handler irq_handler;
-
+/*
 #ifdef __cplusplus
 extern "C" {
 #endif 
@@ -64,7 +64,7 @@ void GPIOTE_IRQHandler(void){
 #ifdef __cplusplus
 }
 #endif 
-
+*/
 int gpio_irq_init(gpio_irq_t *obj, PinName pin, gpio_irq_handler handler, uint32_t id) {
     if (pin == NC) {
         return -1;