修改默认配置nrf52833的flash和sram大小

Modify the default configuration of nrf52833's flash and SRAM sizes
修改默认配置nrf52833的flash和sram大小

Author: ReviewSun

bsp/nrf5x/nrf52833/board/Kconfig

@@ -47,15 +47,15 @@ menu "On-chip Peripheral Drivers"
 
         config MCU_FLASH_SIZE_KB
             int "MCU FLASH SIZE, MAX size 1024 KB"
-            default 1024
+            default 512
 
         config MCU_SRAM_START_ADDRESS
             hex "MCU RAM START ADDRESS"
             default 0x20000000
 
         config MCU_SRAM_SIZE_KB
             int "MCU RAM SIZE"
-            default 256
+            default 128
 
         config MCU_FLASH_PAGE_SIZE
             hex "MCU FLASH PAGE SIZE, please not change,nrfx default is 0x1000"