drivers: ipm: Cleanup IPM Kconfig

Make all option be hidden behind IPM menu

Signed-off-by: Andrei Emeltchenko <[email protected]>

drivers/ipm/Kconfig

@@ -6,15 +6,17 @@ menuconfig IPM
 	  Include interrupt-based inter-processor mailboxes
 	  drivers in system configuration
 
+if IPM
+
 config IPM_MCUX
 	bool "MCUX IPM driver"
-	depends on IPM && HAS_MCUX
+	depends on HAS_MCUX
 	help
 	  Driver for MCUX mailbox
 
 config IPM_IMX
 	bool "IMX IPM driver"
-	depends on IPM && HAS_IMX_HAL
+	depends on HAS_IMX_HAL
 	help
 	  Driver for NXP i.MX messaging unit
 
@@ -63,13 +65,12 @@ config IPM_IMX_MAX_ID_VAL
 
 config IPM_MHU
 	bool "IPM MHU driver"
-	depends on IPM
 	help
 	  Driver for SSE 200 MHU (Message Handling Unit)
 
 config IPM_NRFX
 	bool "IPM NRF driver"
-	depends on IPM && HAS_HW_NRF_IPC
+	depends on HAS_HW_NRF_IPC
 	select NRFX_IPC
 	help
 	  Driver for Nordic nRF messaging unit, based
@@ -86,7 +87,6 @@ source "drivers/ipm/Kconfig.nrfx"
 
 config IPM_STM32_IPCC
 	bool "STM32 IPCC controller"
-	depends on IPM
 	select USE_STM32_LL_IPCC
 	help
 	  Driver for stm32 IPCC mailboxes
@@ -102,3 +102,5 @@ config IPM_STM32_IPCC_PROCID
 module = IPM
 module-str = ipm
 source "subsys/logging/Kconfig.template.log_config"
+
+endif #IPM