ARM: Add Calxeda Highbank platform

Add basic support for Calxeda Highbank platform. Only minimal support with
serial and SATA are included.

Signed-off-by: Jason Hobbs <jason.hobbs@calxeda.com>
Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Albert ARIBAUD <albert.u.boot@aribaud.net>
diff --git a/boards.cfg b/boards.cfg
index 4162172..604becf 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -161,6 +161,7 @@
 integratorap_cm946es         arm         arm946es    integrator          armltd         -               integratorap
 integratorcp_cm946es         arm         arm946es    integrator          armltd         -               integratorcp
 ca9x4_ct_vxp                 arm         armv7       vexpress            armltd
+highbank                     arm         armv7       highbank            -              highbank
 am335x_evm                   arm         armv7       am335x              ti             am33xx
 efikamx                      arm         armv7       efikamx             -              mx5		efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKAMX,IMX_CONFIG=board/efikamx/imximage_mx.cfg
 efikasb                      arm         armv7       efikamx             -              mx5		efikamx:MACH_TYPE=MACH_TYPE_MX51_EFIKASB,IMX_CONFIG=board/efikamx/imximage_sb.cfg