sparc: fix bad merge of sparc Kconfig

Fixes this sparc32 defconfig build error:

timekeeping.c:(.text+0x277c4): undefined reference to `arch_gettimeoffset'
Signed-off-by: NStephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

arch/sparc/Kconfig

@@ -41,7 +41,6 @@ config SPARC32
 	def_bool !64BIT
 	select GENERIC_ATOMIC64
 	select CLZ_TAB
-	select ARCH_USES_GETTIMEOFFSET
 
 config SPARC64
 	def_bool 64BIT