Change Makefile to be compatible with Yocto

Signed-off-by: Manjukumar Matha <manjukumar.harthikote-matha@xilinx.com>
Upstream Status: Pending
--- driver/src/devicedrv/mali/Makefile	2015-03-29 20:38:45.000000000 -0700
+++ b/Makefile	2016-01-26 20:13:56.053436042 -0800
@@ -85,7 +85,11 @@
 # Define host system directory
 KDIR-$(shell uname -m):=/lib/modules/$(shell uname -r)/build
 
-include $(KDIR)/.config
+ifeq ($(O),)
+	include $(KDIR)/.config
+else
+	include $(O)/.config
+endif
 
 ifeq ($(ARCH), arm)
 # when compiling for ARM we're cross compiling
@@ -170,10 +174,15 @@
 EXTRA_DEFINES += -DPROFILING_SKIP_PP_JOBS=1 -DPROFILING_SKIP_GP_JOBS=1
 endif
 
+EXTRA_DEFINES += -Wno-error=date-time
+
 all: $(UMP_SYMVERS_FILE)
-	$(MAKE) ARCH=$(ARCH) -C $(KDIR) M=$(CURDIR) modules
+	$(MAKE) ARCH=$(ARCH) -C $(KDIR) M=$(CURDIR) O=$(O) modules
 	@rm $(FILES_PREFIX)__malidrv_build_info.c $(FILES_PREFIX)__malidrv_build_info.o
 
+modules_install:
+	$(MAKE) ARCH=$(ARCH) -C $(KDIR) M=$(CURDIR) modules_install
+
 clean:
 	$(MAKE) ARCH=$(ARCH) -C $(KDIR) M=$(CURDIR) clean