package/pkg-kconfig: quote HOSTCC_NOCCACHE

HOSTCC may contain spaces, so needs to be quoted.

Most of the places where it is already quoted use double-quotes, so we
use that.

Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
Cc: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/pkg-kconfig.mk

@@ -28,7 +28,7 @@ define kconfig-package-update-config
 endef
 
 PKG_KCONFIG_COMMON_OPTS = \
-	HOSTCC=$(HOSTCC_NOCCACHE)
+	HOSTCC="$(HOSTCC_NOCCACHE)"
 
 # Macro to save the defconfig file
 # $(1): the name of the package in upper-case letters