bcmcygnus: Convert CONFIG_IPROC to Kconfig

Select this symbol as needed.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 6e191e4..bbf1d52 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -553,6 +553,9 @@
 	help
 	  This ARM64 system supports AArch32 execution state.
 
+config IPROC
+	bool
+
 config S5P
 	def_bool y if ARCH_EXYNOS || ARCH_S5PC1XX
 
@@ -658,6 +661,7 @@
 	bool "Support bcmcygnus"
 	select CPU_V7A
 	select GPIO_EXTRA_HEADER
+	select IPROC
 	imply BCM_SF2_ETH
 	imply BCM_SF2_ETH_GMAC
 	imply CMD_HASH
diff --git a/arch/arm/include/asm/iproc-common/configs.h b/arch/arm/include/asm/iproc-common/configs.h
index c63c27d..ce831bc 100644
--- a/arch/arm/include/asm/iproc-common/configs.h
+++ b/arch/arm/include/asm/iproc-common/configs.h
@@ -8,9 +8,6 @@
 
 #include <linux/stringify.h>
 
-/* Architecture, CPU, chip, etc */
-#define CONFIG_IPROC
-
 /* Memory Info */
 #define CFG_SYS_SDRAM_BASE		0x61000000