hostapd: support verbose build using V=sc

Signed-off-by: Felix Fietkau <[email protected]>

package/network/services/hostapd/Makefile

@@ -524,6 +524,7 @@ define Build/RunMake
 		LIBS_c="$(TARGET_LDFLAGS_C)" \
 		AR="$(TARGET_CROSS)gcc-ar" \
 		BCHECK= \
+		$(if $(findstring s,$(OPENWRT_VERBOSE)),V=1) \
 		$(2)
 endef