meta-ibm: linux-aspeed: p10bmc: Enable UHCI and PL2303

The PL2303 is a serial-to-USB converter chip, needed to communicate
with a UPS. These are commonly attached via USB1.1, meaning that a
UHCI driver is required to communicate with them, so enable that too.

Signed-off-by: Eddie James <eajames@linux.ibm.com>
Change-Id: I3a7550a51d084af498e7a5aab5c6b6e75002a4e3
diff --git a/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg b/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
index 2714966..4883fb8 100644
--- a/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
+++ b/meta-ibm/recipes-kernel/linux/linux-aspeed/p10bmc.cfg
@@ -11,3 +11,6 @@
 CONFIG_PSTORE_PMSG=y
 CONFIG_PSTORE_RAM=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_USB_UHCI_HCD=y
+CONFIG_USB_SERIAL=y
+CONFIG_USB_SERIAL_PL2303=y