Convert CONFIG_SYS_FSL_CCSR_GUR_BE et al to Kconfig

This converts the following to Kconfig:
   CONFIG_SYS_FSL_CCSR_GUR_BE
   CONFIG_SYS_FSL_CCSR_SCFG_BE
   CONFIG_SYS_FSL_ESDHC_BE
   CONFIG_SYS_FSL_IFC_BE
   CONFIG_SYS_FSL_PEX_LUT_BE
   CONFIG_SYS_FSL_CCSR_GUR_LE
   CONFIG_SYS_FSL_CCSR_SCFG_LE
   CONFIG_SYS_FSL_ESDHC_LE
   CONFIG_SYS_FSL_IFC_LE
   CONFIG_SYS_FSL_PEX_LUT_LE

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/Kconfig.nxp b/arch/Kconfig.nxp
index d3ebbff..a96245c 100644
--- a/arch/Kconfig.nxp
+++ b/arch/Kconfig.nxp
@@ -227,6 +227,12 @@
 
 endif
 
+config SYS_FSL_ESDHC_BE
+	bool
+
+config SYS_FSL_IFC_BE
+	bool
+
 config FSL_QIXIS
 	bool "Enable QIXIS support"
 	depends on PPC || ARCH_LS1021A || FSL_LSCH2 || FSL_LSCH3