apk: move common meson args to its own variable

Most apk meson args are shared between host and target builds, so lets
have a common variable for them.

Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>

Author: KanjiMonster

package/system/apk/Makefile

@@ -52,21 +52,20 @@ endef
 MESON_HOST_VARS+=VERSION=$(PKG_VERSION)
 MESON_VARS+=VERSION=$(PKG_VERSION)
 
-MESON_HOST_ARGS += \
-	-Dlua_version=5.1 \
+MESON_COMMON_ARGS = \
 	-Dcompressed-help=false \
 	-Ddocs=disabled \
+	-Dlua_version=5.1 \
 	-Durl_backend=wget \
-	-Dcrypto_backend=openssl \
 	-Dzstd=false
 
+MESON_HOST_ARGS += \
+	$(MESON_COMMON_ARGS) \
+	-Dcrypto_backend=openssl
+
 MESON_ARGS += \
-	-Dlua_version=5.1 \
-	-Dcompressed-help=false \
-	-Ddocs=disabled \
-	-Durl_backend=wget \
-	-Dcrypto_backend=$(BUILD_VARIANT) \
-	-Dzstd=false
+	$(MESON_COMMON_ARGS) \
+	-Dcrypto_backend=$(BUILD_VARIANT)
 
 HOST_LDFLAGS += \
 	-Wl,-rpath $(STAGING_DIR_HOST)/lib