package/kernel-module-imx-gpu-viv: fix disabling kernel option

Commit 391c448acbb9 (package/kernel-module-imx-gpu-viv: bear the kernel
options munging) improperly named the macro, including a superfluous
'MODULE' in the middle of the macro name, which meant it was totally
unused.

Fix that.

Reported-by: Heiko Thiery <heiko.thiery@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>
diff --git a/package/freescale-imx/kernel-module-imx-gpu-viv/kernel-module-imx-gpu-viv.mk b/package/freescale-imx/kernel-module-imx-gpu-viv/kernel-module-imx-gpu-viv.mk
index 89b47f9..2cea117 100644
--- a/package/freescale-imx/kernel-module-imx-gpu-viv/kernel-module-imx-gpu-viv.mk
+++ b/package/freescale-imx/kernel-module-imx-gpu-viv/kernel-module-imx-gpu-viv.mk
@@ -16,7 +16,7 @@
 
 KERNEL_MODULE_IMX_GPU_VIV_MODULE_SUBDIRS = kernel-module-imx-gpu-viv-src
 
-define KERNEL_MODULE_IMX_GPU_VIV_MODULE_LINUX_CONFIG_FIXUPS
+define KERNEL_MODULE_IMX_GPU_VIV_LINUX_CONFIG_FIXUPS
 	$(call KCONFIG_DISABLE_OPT,CONFIG_MXC_GPU_VIV)
 endef