kbuild: move "quote" to Kbuild.include to be consistent

Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com>
Signed-off-by: NMichal Marek <mmarek@suse.cz>

scripts/Kbuild.include

@@ -3,6 +3,7 @@
 
 # Convenient variables
 comma   := ,
+quote   := "
 squote  := '
 empty   :=
 space   := $(empty) $(empty)

scripts/Makefile.lib

@@ -367,7 +367,3 @@ quiet_cmd_xzmisc = XZMISC  $@
 cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
 	xz --check=crc32 --lzma2=dict=1MiB) > $@ || \
 	(rm -f $@ ; false)
-
-# misc stuff
-# ---------------------------------------------------------------------------
-quote:="