powerpc: Add "force config cmd line" Kconfig option
powerpc uses early_init_dt_scan_chosen() from common fdt code. By
enabling this option, the common code can take the built in
command line over the one that is comming from bootloader / DT.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index 957bf34..957d3e5 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -618,6 +618,15 @@
some command-line options at build time by entering them here. In
most cases you will need to specify the root device here.
+config CMDLINE_FORCE
+ bool "Always use the default kernel command string"
+ depends on CMDLINE_BOOL
+ help
+ Always use the default kernel command string, even if the boot
+ loader passes other arguments to the kernel.
+ This is useful if you cannot or don't want to change the
+ command-line options your boot loader passes to the kernel.
+
config EXTRA_TARGETS
string "Additional default image types"
help