arm: mvebu: Add gdsys ControlCenter-Compact board

The gdsys ControlCenter Digital board is based on a Marvell Armada 38x
SOC.

It boots from SPI-Flash but can be configured to boot from SD-card for
factory programming and testing.

On board peripherals include:
- 2 x GbE
- Xilinx Kintex-7 FPGA connected via PCIe
- mSATA
- USB3 host
- Atmel TPM

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Mario Six <mario.six@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/gdsys/a38x/ihs_phys.h b/board/gdsys/a38x/ihs_phys.h
new file mode 100644
index 0000000..c4bec4d
--- /dev/null
+++ b/board/gdsys/a38x/ihs_phys.h
@@ -0,0 +1,2 @@
+uint calculate_octo_phy_mask(void);
+int init_octo_phys(uint octo_phy_mask);