drivers: console: Add DTS defaults

Add default which takes the target device from DTS similar way to UART
console.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>

drivers/console/Kconfig

@@ -175,8 +175,12 @@ config IPM_CONSOLE
 	help
 	  Enable console over Inter-processor Mailbox.
 
+# Workaround for not being able to have commas in macro arguments
+DT_CHOSEN_Z_IPM_CONSOLE := zephyr,console
+
 config IPM_CONSOLE_ON_DEV_NAME
 	string "IPM device name used by console"
+	default "$(dt_chosen_label,$(DT_CHOSEN_Z_IPM_CONSOLE))" if HAS_DTS
 	default "IPM_0"
 	depends on IPM_CONSOLE
 	help