soc: stm32: STM32WB: Remove useless package digit

Fixes #16733, applied to STM32WB series.

Signed-off-by: Erwan Gouriou <erwan.gouriou@linaro.org>
diff --git a/boards/arm/nucleo_wb55rg/Kconfig.board b/boards/arm/nucleo_wb55rg/Kconfig.board
index 016d5e9..6e06d94 100644
--- a/boards/arm/nucleo_wb55rg/Kconfig.board
+++ b/boards/arm/nucleo_wb55rg/Kconfig.board
@@ -7,4 +7,4 @@
 
 config BOARD_NUCLEO_WB55RG
 	bool "Nucleo WB55RG Development Board"
-	depends on SOC_STM32WB55XG
+	depends on SOC_STM32WB55XX
diff --git a/boards/arm/nucleo_wb55rg/nucleo_wb55rg_defconfig b/boards/arm/nucleo_wb55rg/nucleo_wb55rg_defconfig
index 7f4e878..44b6f18 100644
--- a/boards/arm/nucleo_wb55rg/nucleo_wb55rg_defconfig
+++ b/boards/arm/nucleo_wb55rg/nucleo_wb55rg_defconfig
@@ -1,6 +1,6 @@
 CONFIG_ARM=y
 CONFIG_SOC_SERIES_STM32WBX=y
-CONFIG_SOC_STM32WB55XG=y
+CONFIG_SOC_STM32WB55XX=y
 CONFIG_CORTEX_M_SYSTICK=y
 # 32MHz system clock
 CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC=32000000
diff --git a/soc/arm/st_stm32/stm32wb/Kconfig.defconfig.stm32wb55xx b/soc/arm/st_stm32/stm32wb/Kconfig.defconfig.stm32wb55xx
index 5036a15..14865e7 100644
--- a/soc/arm/st_stm32/stm32wb/Kconfig.defconfig.stm32wb55xx
+++ b/soc/arm/st_stm32/stm32wb/Kconfig.defconfig.stm32wb55xx
@@ -5,7 +5,7 @@
 # SPDX-License-Identifier: Apache-2.0
 #
 
-if SOC_STM32WB55XG
+if SOC_STM32WB55XX
 
 config SOC
 	string
@@ -15,4 +15,4 @@
 	int
 	default 63
 
-endif # SOC_STM32WB55XG
+endif # SOC_STM32WB55XX
diff --git a/soc/arm/st_stm32/stm32wb/Kconfig.soc b/soc/arm/st_stm32/stm32wb/Kconfig.soc
index 4674a95..67fadab 100644
--- a/soc/arm/st_stm32/stm32wb/Kconfig.soc
+++ b/soc/arm/st_stm32/stm32wb/Kconfig.soc
@@ -9,7 +9,7 @@
 	prompt "STM32WBx MCU Selection"
 	depends on SOC_SERIES_STM32WBX
 
-config SOC_STM32WB55XG
+config SOC_STM32WB55XX
 	bool "STM32WB55XX"
 
 endchoice