MIPS: Octeon: Enable interfaces on EdgeRouter Lite

Enable interfaces on EdgeRouter Lite. Tested with cavium_octeon_defconfig
and busybox shell. DHCP & ping works with eth0, eth1 and eth2.

The board type "UBNT_E100" is taken from the sources of the vendor kernel
shipped with the product.

Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5546/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/include/asm/octeon/cvmx-bootinfo.h

@@ -227,6 +227,7 @@ enum cvmx_board_types_enum {
 	 * use any numbers in this range.
 	 */
 	CVMX_BOARD_TYPE_CUST_PRIVATE_MIN = 20001,
+	CVMX_BOARD_TYPE_UBNT_E100 = 20002,
 	CVMX_BOARD_TYPE_CUST_PRIVATE_MAX = 30000,
 
 	/* The remaining range is reserved for future use. */
@@ -325,6 +326,7 @@ static inline const char *cvmx_board_type_to_string(enum
 
 		    /* Customer private range */
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MIN)
+		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_UBNT_E100)
 		ENUM_BRD_TYPE_CASE(CVMX_BOARD_TYPE_CUST_PRIVATE_MAX)
 	}
 	return "Unsupported Board";