treewide: Unify Google branding

Branding changes to unify and update Chrome OS to ChromeOS (removing the
space).

This CL also includes changing Chromium OS to ChromiumOS as well.

BUG=None
TEST=N/A

Change-Id: I39af9f1069b62747dbfeebdd62d85fabfa655dcd
Signed-off-by: Jon Murphy <jpmurphy@google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/65479
Reviewed-by: Jack Rosenthal <jrosenth@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Singer <felixsinger@posteo.net>
diff --git a/configs/config.google_meep_cros b/configs/config.google_meep_cros
index acb0e4c..97e23fd 100644
--- a/configs/config.google_meep_cros
+++ b/configs/config.google_meep_cros
@@ -7,7 +7,7 @@
 CONFIG_USE_BLOBS=y
 CONFIG_ANY_TOOLCHAIN=y
 
-# Chrome OS
+# ChromeOS
 CONFIG_CHROMEOS=y
 CONFIG_HAS_RECOVERY_MRC_CACHE=y
 CONFIG_MRC_CLEAR_NORMAL_CACHE_ON_RECOVERY_RETRAIN=y