ppc4xx: Add README entry for CONFIG_PCI_DISABLE_PCIE

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Signed-off-by: Stefan Roese <sr@denx.de>

diff --git a/README b/README
index 56e981d62501edc9d3932994ec879fda2d3eb308..b23a51258ed75bed57a114b71851b0d728f18547 100644 (file)
--- a/README
+++ b/README
@@ -2603,6 +2603,10 @@ Low Level (hardware related) configuration options:
   CONFIG_SYS_POCMR2_MASK_ATTRIB: (MPC826x only)
                Overrides the default PCI memory map in cpu/mpc8260/pci.c if set.
 
+- CONFIG_PCI_DISABLE_PCIE:
+               Disable PCI-Express on systems where it is supported but not
+               required.
+
 - CONFIG_SPD_EEPROM
                Get DDR timing information from an I2C EEPROM. Common
                with pluggable memory modules such as SODIMMs