Don't build MOCA for gfhd254.

Change-Id: Ieac54b003d116eefe03bf5d6f797544c757ddeb2
diff --git a/arch/arm/configs/bruno_gfhd254_defconfig b/arch/arm/configs/bruno_gfhd254_defconfig
index eb9f493..278e318 100644
--- a/arch/arm/configs/bruno_gfhd254_defconfig
+++ b/arch/arm/configs/bruno_gfhd254_defconfig
@@ -22,6 +22,7 @@
 CONFIG_ARCH_BCM=y
 CONFIG_ARCH_BRCMSTB=y
 CONFIG_BCM7439B0=y
+# CONFIG_BRCM_MOCA is not set
 CONFIG_ARM_LPAE=y
 CONFIG_PCI=y
 CONFIG_PCI_MSI=y