qt5base: add support for sunxi-mali{,-mainline} eglfs backend

Only one of the two can be selected (they are conflicting virtual
packages) so testing against a single 'y' is enough.

Signed-off-by: Giulio Benetti <giulio.benetti@micronovasrl.com>
[Arnout: add sunxi-mali and sunxi-mali-mainline in a single patch]
Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>

package/qt5/qt5base/qt5base.mk

@@ -240,9 +240,14 @@ QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_PRINTSUPPORT) += Qt5PrintSupport
 
 QT5BASE_INSTALL_LIBS_$(BR2_PACKAGE_QT5BASE_DBUS) += Qt5DBus
 
-ifeq ($(BR2_PACKAGE_QT5_VERSION_LATEST)$(BR2_PACKAGE_IMX_GPU_VIV),yy)
+ifeq ($(BR2_PACKAGE_QT5_VERSION_LATEST),y)
+ifeq ($(BR2_PACKAGE_IMX_GPU_VIV),y)
 # use vivante backend
 QT5BASE_EGLFS_DEVICE = EGLFS_DEVICE_INTEGRATION = eglfs_viv
+else ifeq ($(BR2_PACKAGE_SUNXI_MALI)$(BR2_PACKAGE_SUNXI_MALI_MAINLINE),y)
+# use mali backend
+QT5BASE_EGLFS_DEVICE = EGLFS_DEVICE_INTEGRATION = eglfs_mali
+endif
 endif
 
 ifneq ($(QT5BASE_CONFIG_FILE),)