Relocate SDIO again

According to Willi, although MMC1 is connected at L3, RISC OS only ever uses the L4_PER interface, so move it back to that bus.
Retagged as OMAP4-0_39.

s/SDIO

@@ -181,7 +181,7 @@ Template
 0
         HALDeviceField Type,               HALDeviceType_ExpCtl + HALDeviceExpCtl_SDIO
         HALDeviceField ID,                 HALDeviceID_SDIO_SDHCI
-        HALDeviceField Location,           HALDeviceBus_Sys + HALDeviceSysBus_NoC
+        HALDeviceField Location,           HALDeviceBus_Peri + HALDevicePeriBus_Sonics3220
         HALDeviceField Version,            0
         HALDeviceField Description
         HALDeviceField Address,            0 ; patched up at initialisation