bus: qcom_ebi2: default y if ARCH_QCOM

Since we want this external bus to be available on multi_v7 builds,
set to default ARCH_QCOM so we get it selected whenever QCOM is
enabled.

Suggested-by: Stephen Boyd <sboyd@codeaurora.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>
diff --git a/drivers/bus/Kconfig b/drivers/bus/Kconfig
index b9e8cfc..0a52da43 100644
--- a/drivers/bus/Kconfig
+++ b/drivers/bus/Kconfig
@@ -112,6 +112,7 @@
 	bool "Qualcomm External Bus Interface 2 (EBI2)"
 	depends on HAS_IOMEM
 	depends on ARCH_QCOM || COMPILE_TEST
+	default ARCH_QCOM
 	help
 	  Say y here to enable support for the Qualcomm External Bus
 	  Interface 2, which can be used to connect things like NAND Flash,