[nrf noup] kernel: Disable boot banner if NCS_BOOT_BANNER is enabled

Zephyr's boot banner should not be used if NCS boot banner is enabled.

Signed-off-by: Robert Lubos <[email protected]>
(cherry picked from commit 4b7a867)

Author: rlubos

kernel/Kconfig

@@ -457,6 +457,7 @@ config SKIP_BSS_CLEAR
 config BOOT_BANNER
 	bool "Boot banner"
 	default y
+	depends on !NCS_BOOT_BANNER
 	select PRINTK
 	select EARLY_CONSOLE
 	help