iopsys-brcm63xx-arm: Fix arc63158ref default config fragment

iopsys-brcm63xx-arm/config/arc63158ref/config

-menu "Target options Brcm63xx (ARM)"
-	depends on TARGET_iopsys_brcm63xx_arm
-
-	config KERNEL_GIT_CLONE_URI
-		default "https://dev.iopsys.eu/broadcom/bcmlinux.git" if BRCM_SDK_VER_504002
-
-	# BUG: this is the branch in the kernel used for openwrt part of the build. It should also be updated for the new sdk.
-	config KERNEL_GIT_BRANCH
-		default "bcm_5.02L.02" if BRCM_SDK_VER_504002
-
-	# brcm has it's own brctl
-	config BUSYBOX_DEFAULT_BRCTL
-		default n if TARGET_iopsys_brcm63xx_arm
-
-# TODO: Can we remove this? Only used for image building and OpenSDK.
-# Maybe CONFIG_TARGET_PROFILE with CONFIG_VERSION_PRODUCT (set by iop-tool)
-# is enough to cover all needs?
-	config TARGET_FAMILY
-	string
-		help
-			Was previously board ID but has been renamed to board family.
-			A family image can potentially run on multiple similar boards.
-	prompt "Board family"      if TARGET_iopsys_brcm63xx_arm
-
-	config TARGET_HAS_VOICE
-		bool "Whether to build voice or exclude it entirely"
-		help
-			For exclude building voice entirely, not just in the OPEN-image.
-		default y
-
-endmenu
+CONFIG_TARGET_FAMILY="ARC63158REF"
+CONFIG_BCM_KERNEL_PROFILE="963158GWV"
+CONFIG_BCM_CHIP_ID="63158"