xilinx: zynq: Enable DCC and create new zynq_dcc board

Enable DCC driver for arm zynq platform to be compiled.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>

boards.cfg

@@ -296,6 +296,7 @@ snowball                     arm         armv7       snowball               st-e
 kzm9g                        arm         armv7       kzm9g               kmc            rmobile
 armadillo-800eva             arm         armv7       armadillo-800eva    atmark-techno  rmobile
 zynq                         arm         armv7       zynq                xilinx         zynq
+zynq_dcc                     arm         armv7       zynq                xilinx         zynq        zynq:ZYNQ_DCC
 socfpga_cyclone5                arm         armv7          socfpga_cyclone5    altera		    socfpga
 actux1_4_16                  arm         ixp         actux1              -              -           actux1:FLASH2X2
 actux1_4_32                  arm         ixp         actux1              -              -           actux1:FLASH2X2,RAM_32MB

include/configs/zynq.h

@@ -58,6 +58,11 @@
 #define CONFIG_ZYNQ_GEM
 #define CONFIG_ZYNQ_GEM_BASEADDR0	0xE000B000
 
+#if defined(CONFIG_ZYNQ_DCC)
+# define CONFIG_ARM_DCC
+# define CONFIG_CPU_V6 /* Required by CONFIG_ARM_DCC */
+#endif
+
 #define CONFIG_BOOTP_SERVERIP
 #define CONFIG_BOOTP_BOOTPATH
 #define CONFIG_BOOTP_GATEWAY