[PATCH] mfd: fix dependency warning for CHROME_PLATFORMS on !X86, !ARM

[Paul Gortmaker]

In commit 062476f24aa7cf714169342cc50626fd9bbb93da ("mfd: cros_ec:
Move protocol helpers out of the MFD driver") there was a select
added on CHROME_PLATFORMS, which leads to the following for ppc/mips:

warning: (MFD_CROS_EC) selects CHROME_PLATFORMS which has unmet
direct dependencies (X86 || ARM)

Presumably the above means MFD_CROS_EC is only currently useful
on x86 and ARM, so lets limit it to there.

Cc: Lee Jones <lee.jones@xxxxxxxxxx>
Cc: Javier Martinez Canillas <javier.martinez@xxxxxxxxxxxxxxx>
Cc: Heiko Stuebner <heiko@xxxxxxxxx>
Cc: Olof Johansson <olof@xxxxxxxxx>
Cc: Samuel Ortiz <sameo@xxxxxxxxxxxxxxx>
Signed-off-by: Paul Gortmaker <paul.gortmaker@xxxxxxxxxxxxx>
---
 drivers/mfd/Kconfig | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mfd/Kconfig b/drivers/mfd/Kconfig
index 653815950aa2..d3235e6f1953 100644
--- a/drivers/mfd/Kconfig
+++ b/drivers/mfd/Kconfig
@@ -94,6 +94,7 @@ config MFD_AXP20X
 
 config MFD_CROS_EC
 	tristate "ChromeOS Embedded Controller"
+	depends on X86 || ARM
 	select MFD_CORE
 	select CHROME_PLATFORMS
 	select CROS_EC_PROTO
-- 
2.2.1

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