soc: ti/mspm0: move flash config to common defconfig

Flash size and address is extracted from dts, which will be common
for all the upcoming series of SoC's like MSPM0L, MSPM0C. Move the
flash address and size to soc level defconfig.

Signed-off-by: Parthiban Nallathambi <[email protected]>

Author: parthitce

soc/ti/mspm0/Kconfig.defconfig

@@ -6,6 +6,14 @@ if SOC_FAMILY_TI_MSPM0
 
 rsource "*/Kconfig.defconfig"
 
+DT_CHOSEN_Z_FLASH := zephyr,flash
+
+config FLASH_SIZE
+	default $(dt_chosen_reg_size_int,$(DT_CHOSEN_Z_FLASH),0,K)
+
+config FLASH_BASE_ADDRESS
+	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH))
+
 DT_MSPM0_MCLK_PATH := $(dt_nodelabel_path,mclk)
 DT_MSPM0_MCLK_CPU_FREQ := $(dt_node_int_prop_int,$(DT_MSPM0_MCLK_PATH),clock-frequency)
 

soc/ti/mspm0/mspm0g/Kconfig.defconfig

@@ -4,14 +4,6 @@
 # Copyright (c) 2025 Linumiz
 # SPDX-License-Identifier: Apache-2.0
 
-DT_CHOSEN_Z_FLASH := zephyr,flash
-
-config FLASH_SIZE
-	default $(dt_chosen_reg_size_int,$(DT_CHOSEN_Z_FLASH),0,K)
-
-config FLASH_BASE_ADDRESS
-	default $(dt_chosen_reg_addr_hex,$(DT_CHOSEN_Z_FLASH))
-
 if SOC_SERIES_MSPM0G
 
 config NUM_IRQS