libdrm: VC4 change dependency to arm OR aarch64

Enable selection of VC4 driver when compiling for Rpi3 using aarch64

Signed-off-by: Olivier Schonken <olivier.schonken@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

package/libdrm/Config.in

@@ -94,7 +94,7 @@ config BR2_PACKAGE_LIBDRM_TEGRA
 
 config BR2_PACKAGE_LIBDRM_VC4
 	bool "vc4"
-	depends on BR2_arm
+	depends on BR2_aarch64 || BR2_arm
 	help
 	  Install vc4 (Raspberry Pi) driver.