linux-gbmc: Add aspeed usb-host support

Aspeed uses the EHCI_PLATFORM driver for their USB support.

Tested: Booted on an AST2600 platform with the relevant DTS node
configured and the host USB device comes up.

Google-Bug-Id: 430094327
Change-Id: I64d3234d19416034e14db6baf1254494df49adbc
Signed-off-by: William A. Kennington III <wak@google.com>
diff --git a/recipes-kernel/linux/files/usb-host.cfg b/recipes-kernel/linux/files/usb-host.cfg
index 270ec98..26b5933 100644
--- a/recipes-kernel/linux/files/usb-host.cfg
+++ b/recipes-kernel/linux/files/usb-host.cfg
@@ -2,5 +2,6 @@
 CONFIG_USB=y
 CONFIG_USB_ANNOUNCE_NEW_DEVICES=y
 CONFIG_USB_EHCI_TT_NEWSCHED=y
-CONFIG_USB_EHCI_HCD=y npcm
+CONFIG_USB_EHCI_HCD=y npcm,ast
 CONFIG_USB_EHCI_HCD_NPCM7XX=y npcm
+CONFIG_USB_EHCI_HCD_PLATFORM=y ast
diff --git a/recipes-kernel/linux/linux-gbmc.inc b/recipes-kernel/linux/linux-gbmc.inc
index 499cdaa..884e7cd 100644
--- a/recipes-kernel/linux/linux-gbmc.inc
+++ b/recipes-kernel/linux/linux-gbmc.inc
@@ -38,6 +38,8 @@
 
 PACKAGECONFIG[usb-host] = ""
 USB_HOST_SUPPORTED = "0"
+USB_HOST_SUPPORTED:aspeed-g6 = "1"
+USB_HOST_SUPPORTED:aspeed-g7 = "1"
 USB_HOST_SUPPORTED:npcm7xx = "1"
 USB_HOST_SUPPORTED:npcm8xx = "1"