Enable CBFS flash driver by default

It's necessary to support multiple CBFS regions which will
become the default.

BUG=chromium:445938
BRANCH=tot
TEST=none

Change-Id: I017de2981ae6a296c9f0daa788461a96f5f0f5df
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: https://chromium-review.googlesource.com/307120
Commit-Ready: Patrick Georgi <pgeorgi@chromium.org>
Tested-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-by: Duncan Laurie <dlaurie@chromium.org>
diff --git a/src/drivers/flash/Kconfig b/src/drivers/flash/Kconfig
index 2916db3..273107e 100644
--- a/src/drivers/flash/Kconfig
+++ b/src/drivers/flash/Kconfig
@@ -48,5 +48,4 @@
 
 config DRIVER_CBFS_FLASH
 	bool "Glue code to bind libcbfs to depthcharge's flash"
-	depends on !ARCH_X86
-	default n
+	default y