arm-bsp/linux: Enabling lan9115 Ethernet for corstone700-mps3

This commit enables lan9115 Ethernet in the v5.6 kernel
as a machine feature.

Change-Id: Ib8e724a64b24db3048a2b12973824bba9f3eecc4
Signed-off-by: Abdellatif El Khlifi <abdellatif.elkhlifi@arm.com>
Signed-off-by: Jon Mason <jon.mason@arm.com>

meta-arm-bsp/conf/machine/corstone700-mps3.conf

@@ -4,4 +4,9 @@
 
 require conf/machine/include/corstone700.inc
 
+# default feature used: eth_lan9115
+# add the following line to local.conf to disable the feature:
+# MACHINE_FEATURES_remove = "eth_lan9115"
+MACHINE_FEATURES += "eth_lan9115"
+
 TFA_TARGET_PLATFORM = "fpga"

meta-arm-bsp/recipes-kernel/linux/arm-platforms-kmeta/bsp/arm-platforms/corstone700/eth_lan9115.scc

@@ -0,0 +1,4 @@
+define KFEATURE_DESCRIPTION "Ethernet feature using lan9115"
+
+kconf hardware pnp.cfg
+kconf hardware lan9115.cfg

meta-arm-bsp/recipes-kernel/linux/arm-platforms-kmeta/bsp/arm-platforms/corstone700/lan9115.cfg

@@ -0,0 +1 @@
+CONFIG_SMSC911X=y

meta-arm-bsp/recipes-kernel/linux/linux-stable-corstone700.inc

@@ -52,3 +52,11 @@ KERNEL_FEATURES_append_corstone700-fvp = " \
                           bsp/arm-platforms/corstone700/eth_lan91c111.scc', \
                          'bsp/arm-platforms/corstone700/xip_cmdline.cfg', \
                           d)}"
+
+KERNEL_FEATURES_append_corstone700-mps3 = " \
+    ${@bb.utils.contains('MACHINE_FEATURES', \
+                         'eth_lan9115', \
+                         'bsp/arm-platforms/corstone700/xip_dhcp_cmdline.cfg \
+                          bsp/arm-platforms/corstone700/eth_lan9115.scc', \
+                         'bsp/arm-platforms/corstone700/xip_cmdline.cfg', \
+                          d)}"