arm: convert Cygnus and NSP boards to Kconfig

Convert the bcm958300k and the bcm958622hr boards from "boards.cfg" to Kconfig.

Signed-off-by: Steve Rae <srae@broadcom.com>

board/broadcom/bcm958300k/Kconfig

@@ -0,0 +1,23 @@
+if TARGET_BCM958300K
+
+config SYS_CPU
+	string
+	default "armv7"
+
+config SYS_BOARD
+	string
+	default "bcm_ep"
+
+config SYS_VENDOR
+	string
+	default "broadcom"
+
+config SYS_SOC
+	string
+	default "bcmcygnus"
+
+config SYS_CONFIG_NAME
+	string
+	default "bcm_ep_board"
+
+endif

board/broadcom/bcm958300k/MAINTAINERS

@@ -0,0 +1,6 @@
+Broadcom: Cygnus
+M:	Steve Rae <srae@broadcom.com>
+S:	Maintained
+F:	board/broadcom/bcm958300k/
+F:	include/configs/bcm_ep_board.h
+F:	configs/bcm958300k_defconfig

board/broadcom/bcm958622hr/Kconfig

@@ -0,0 +1,23 @@
+if TARGET_BCM958622HR
+
+config SYS_CPU
+	string
+	default "armv7"
+
+config SYS_BOARD
+	string
+	default "bcm_ep"
+
+config SYS_VENDOR
+	string
+	default "broadcom"
+
+config SYS_SOC
+	string
+	default "bcmnsp"
+
+config SYS_CONFIG_NAME
+	string
+	default "bcm_ep_board"
+
+endif

board/broadcom/bcm958622hr/MAINTAINERS

@@ -0,0 +1,6 @@
+Broadcom: Northstar Plus
+M:	Steve Rae <srae@broadcom.com>
+S:	Maintained
+F:	board/broadcom/bcm958622hr/
+F:	include/configs/bcm_ep_board.h
+F:	configs/bcm958622hr_defconfig