drivers: hwinfo: add reset causes for PLL and clock

Add reset causes for PLL (e.g. PLL loss-of-lock reset) and clock
(e.g. loss-of-clock reset).

Signed-off-by: Henrik Brix Andersen <hebad@vestas.com>

include/drivers/hwinfo.h

@@ -40,6 +40,8 @@ extern "C" {
 #define RESET_LOW_POWER_WAKE			BIT(7)
 #define RESET_CPU_LOCKUP			BIT(8)
 #define RESET_PARITY				BIT(9)
+#define RESET_PLL				BIT(10)
+#define RESET_CLOCK				BIT(11)
 
 /**
  * @brief Copy the device id to a buffer