erase uicr if not correct

Revert "erase uicr if not correct"

This reverts commit c2138f5.

set regout0 if possible

Author: sctanf

src/boards/boards.c

@@ -111,7 +111,7 @@ void board_init(void) {
   //     #define UICR_REGOUT0_VALUE UICR_REGOUT0_VOUT_3V3
   // in board.h when using that power configuration.
 #ifdef UICR_REGOUT0_VALUE
-  if ((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) == (UICR_REGOUT0_VOUT_DEFAULT << UICR_REGOUT0_VOUT_Pos)){
+  if (((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) != (UICR_REGOUT0_VALUE << UICR_REGOUT0_VOUT_Pos)) && (((NRF_UICR->REGOUT0 & UICR_REGOUT0_VOUT_Msk) & (UICR_REGOUT0_VALUE << UICR_REGOUT0_VOUT_Pos)) == (UICR_REGOUT0_VALUE << UICR_REGOUT0_VOUT_Pos))){ // cant write regout0 if any bits need to change to 1
     NRF_NVMC->CONFIG = NVMC_CONFIG_WEN_Wen << NVMC_CONFIG_WEN_Pos;
     while (NRF_NVMC->READY == NVMC_READY_READY_Busy){}
     NRF_UICR->REGOUT0 = (NRF_UICR->REGOUT0 & ~((uint32_t)UICR_REGOUT0_VOUT_Msk)) |