[POWERPC] 4xx: balance ioremap/ioumap calls for Yucca
[POWERPC] 4xx: balance ioremap/ioumap calls for Yucca

Call iounmap before returning from an error case.

Signed-off-by: Roel Kluin <e18d74b914d880e021734ee3329e838c0a50e849@tiscali.nl>
Signed-off-by: Josh Boyer <94755a79aca753e683bb6d0e796d473b797056eb@linux.vnet.ibm.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas