powerpc/t4qds: Enable master module for Boot from SRIO and PCIE

T4 can support the feature of Boot from SRIO/PCIE, and the macro
"CONFIG_SRIO_PCIE_BOOT_MASTER" will enable the master module of this feature
when building the u-boot image.

You can get some description about this macro in README file, and for more
information about the feature of Boot from SRIO/PCIE, please refer to the
document doc/README.srio-pcie-boot-corenet.

Signed-off-by: Liu Gang <Gang.Liu@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

include/configs/t4qds.h

@@ -65,6 +65,7 @@
 #define CONFIG_SYS_SRIO
 #define CONFIG_SRIO1			/* SRIO port 1 */
 #define CONFIG_SRIO2			/* SRIO port 2 */
+#define CONFIG_SRIO_PCIE_BOOT_MASTER
 
 #define CONFIG_FSL_LAW			/* Use common FSL init code */