ARM: fix bios32.c build warning
ARM: fix bios32.c build warning

arch/arm/kernel/bios32.c: In function 'pcibios_fixup_bus':
arch/arm/kernel/bios32.c:302: warning: unused variable 'root'

caused by 9f786d033 (arm/PCI: get rid of device resource fixups)

Signed-off-by: Russell King <f6aa0246ff943bfa8602cdf60d40c481b38ed232@arm.linux.org.uk>

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