Convert CONFIG_PCI_MSC01 to Kconfig

This converts the following to Kconfig:
   CONFIG_PCI_MSC01

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/configs/maltael_defconfig b/configs/maltael_defconfig
index 963b9be..58d31d6 100644
--- a/configs/maltael_defconfig
+++ b/configs/maltael_defconfig
@@ -40,5 +40,6 @@
 CONFIG_SYS_FLASH_CFI=y
 CONFIG_PCNET=y
 CONFIG_PCI_GT64120=y
+CONFIG_PCI_MSC01=y
 CONFIG_RTC_MC146818=y
 CONFIG_SYS_NS16550=y