Convert CONFIG_SYS_SRIO et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SRIO1
   CONFIG_SRIO2
   CONFIG_SRIO_PCIE_BOOT_MASTER
   CONFIG_SYS_SRIO

Signed-off-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/configs/P2041RDB_NAND_defconfig b/configs/P2041RDB_NAND_defconfig
index 0eec508..3d24b1a 100644
--- a/configs/P2041RDB_NAND_defconfig
+++ b/configs/P2041RDB_NAND_defconfig
@@ -6,6 +6,10 @@
 CONFIG_DEFAULT_DEVICE_TREE="p2041rdb"
 CONFIG_MPC85xx=y
 CONFIG_SYS_INIT_RAM_LOCK=y
+CONFIG_SYS_SRIO=y
+CONFIG_SRIO1=y
+CONFIG_SRIO2=y
+CONFIG_SRIO_PCIE_BOOT_MASTER=y
 CONFIG_TARGET_P2041RDB=y
 CONFIG_MPC85XX_HAVE_RESET_VECTOR=y
 CONFIG_ENABLE_36BIT_PHYS=y