arch/nrf{52|53|91}: let the events from comparator correspond to CC id

this allows us to use the same value to set the comparator and handle comparator events,
making RTC easier to use

arch/arm/src/nrf52/nrf52_rtc.h

@@ -80,12 +80,12 @@ enum nrf52_rtc_cc_e
 
 enum nrf52_rtc_evt_e
 {
-  NRF52_RTC_EVT_TICK     = 0,
-  NRF52_RTC_EVT_OVRFLW   = 1,
-  NRF52_RTC_EVT_COMPARE0 = 2,
-  NRF52_RTC_EVT_COMPARE1 = 3,
-  NRF52_RTC_EVT_COMPARE2 = 4,
-  NRF52_RTC_EVT_COMPARE3 = 5,
+  NRF52_RTC_EVT_COMPARE0 = 0,
+  NRF52_RTC_EVT_COMPARE1 = 1,
+  NRF52_RTC_EVT_COMPARE2 = 2,
+  NRF52_RTC_EVT_COMPARE3 = 3,
+  NRF52_RTC_EVT_TICK     = 4,
+  NRF52_RTC_EVT_OVRFLW   = 5,
 };
 
 /* NRF52 RTC device */

arch/arm/src/nrf53/nrf53_rtc.h

@@ -80,12 +80,12 @@ enum nrf53_rtc_cc_e
 
 enum nrf53_rtc_evt_e
 {
-  NRF53_RTC_EVT_TICK     = 0,
-  NRF53_RTC_EVT_OVRFLW   = 1,
-  NRF53_RTC_EVT_COMPARE0 = 2,
-  NRF53_RTC_EVT_COMPARE1 = 3,
-  NRF53_RTC_EVT_COMPARE2 = 4,
-  NRF53_RTC_EVT_COMPARE3 = 5,
+  NRF53_RTC_EVT_COMPARE0 = 0,
+  NRF53_RTC_EVT_COMPARE1 = 1,
+  NRF53_RTC_EVT_COMPARE2 = 2,
+  NRF53_RTC_EVT_COMPARE3 = 3,
+  NRF53_RTC_EVT_TICK     = 4,
+  NRF53_RTC_EVT_OVRFLW   = 5,
 };
 
 /* NRF53 RTC device */

arch/arm/src/nrf91/nrf91_rtc.h

@@ -80,12 +80,12 @@ enum nrf91_rtc_cc_e
 
 enum nrf91_rtc_evt_e
 {
-  NRF91_RTC_EVT_TICK     = 0,
-  NRF91_RTC_EVT_OVRFLW   = 1,
-  NRF91_RTC_EVT_COMPARE0 = 2,
-  NRF91_RTC_EVT_COMPARE1 = 3,
-  NRF91_RTC_EVT_COMPARE2 = 4,
-  NRF91_RTC_EVT_COMPARE3 = 5,
+  NRF91_RTC_EVT_COMPARE0 = 0,
+  NRF91_RTC_EVT_COMPARE1 = 1,
+  NRF91_RTC_EVT_COMPARE2 = 2,
+  NRF91_RTC_EVT_COMPARE3 = 3,
+  NRF91_RTC_EVT_TICK     = 4,
+  NRF91_RTC_EVT_OVRFLW   = 5,
 };
 
 /* NRF91 RTC device */