This prevents the options from being delete with make kernel_oldconfig.
---- a/drivers/ssb/Kconfig
-+++ b/drivers/ssb/Kconfig
+---
+ drivers/ssb/Kconfig | 2 ++
+ 1 file changed, 2 insertions(+)
+
+--- linux-2.6.30.5.orig/drivers/ssb/Kconfig
++++ linux-2.6.30.5/drivers/ssb/Kconfig
@@ -126,6 +126,8 @@ config SSB_DRIVER_MIPS
config SSB_EMBEDDED
bool
depends on SSB_DRIVER_MIPS
-+ select USB_EHCI_HCD_SSB
-+ select USB_OHCI_HCD_SSB
++ select USB_EHCI_HCD_SSB if USB_EHCI_HCD
++ select USB_OHCI_HCD_SSB if USB_OHCI_HCD
default y
config SSB_DRIVER_EXTIF