terraform/GCE: fix missing REGION_US_WEST2

Fixes Kconfig error:
terraform/gce/kconfigs/Kconfig.location:3:warning: choice default symbol
'TERRAFORM_GCE_REGION_US_WEST2' is not contained in the choice

Fixes 975e896 ("terraform/GCE: Add the us-west1 region and its
availability zones")

Signed-off-by: Daniel Gomez <[email protected]>

Author: dkruces

terraform/gce/kconfigs/Kconfig.location

@@ -67,7 +67,7 @@ config TERRAFORM_GCE_REGION_US_WEST1
 	help
 	  The Dalles, Oregon, USA
 
-config TERRAFORM_GCE_REGION_US_WEST1
+config TERRAFORM_GCE_REGION_US_WEST2
 	bool "us-west2"
 	help
 	  Los Angeles, California, USA