Fix Makefile tests with checkscript

Not having quote marks around the tokens meant that it
sometimes didn't set remote correctly if it was blank
or .

Change-Id: I63be4ca423be8eaa0601a80d7fe712401bad02f7
Signed-off-by: Hugh Davenport <hugh@catalyst.net.nz>

Makefile

@@ -21,10 +21,10 @@ else
 remote := $(shell bash -c "git config --get branch.$(branch).remote" )
 endif
 
-ifeq (., $(remote))
+ifeq (".", "$(remote)")
 remote := origin
 endif
-ifeq ("", $(remote))
+ifeq ("", "$(remote)")
 remote := origin
 endif