Patch to add modules_install target to the modules makefile.  This makes
installation a little easier.

Signed-off-by: Spenser Gilliland <spenser@gillilanding.com>
----
Index: ti-gfx-4_09_00_01/GFX_Linux_KM/Makefile
===================================================================
--- ti-gfx-4_09_00_01.orig/GFX_Linux_KM/Makefile	2013-03-07 11:00:11.000000000 -0600
+++ ti-gfx-4_09_00_01/GFX_Linux_KM/Makefile	2013-05-23 01:36:29.356676281 -0500
@@ -479,6 +479,9 @@
 all:
 	$(MAKE) -C $(KERNELDIR) M=`pwd` $*
 
+install:
+	$(MAKE) -C $(KERNELDIR) M=`pwd` modules_install
+
 clean:
 	@find . -name "*.o" -exec rm -r {} \;
 	@find . -name "*.ko" -exec rm -r {} \;