libva-intel-driver: fix dependencies

package/libva-intel-driver/Makefile

@@ -9,7 +9,8 @@ PKG_RELEASE:=		1
 PKG_HASH:=		76ad37d9fd5ae23d8ce6052d50b5e6438a8df9e769b13fe34b771cd453f4f937
 PKG_DESCR:=		video acceleration api driver for intel cards
 PKG_SECTION:=		libs/video
-PKG_DEPENDS:=		libdrm
+PKG_DEPENDS:=		libdrm libva
+PKG_BUILDDEP:=		libdrm libva
 PKG_URL:=		https://www.freedesktop.org/wiki/Software/vaapi/
 PKG_SITES:=		https://www.freedesktop.org/software/vaapi/releases/libva-intel-driver/
 PKG_OPTS:=		dev