ARM: prima2: Drop unneeded select of HAVE_SMP

Support for CSR SiRF SoCs depends on ARCH_MULTI_V7.
As the latter selects HAVE_SMP, there is no need for ARCH_ATLAS7 to
select HAVE_SMP.

Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Geert Uytterhoeven <[e-mail]>
Cc: Barry Song <[e-mail]>
Acked-by: Arnd Bergmann <[e-mail]>
Signed-off-by: Arnd Bergmann <[e-mail]>

arch/arm/mach-prima2/Kconfig

···
 	select ARM_GIC
 	select ATLAS7_TIMER
 	select HAVE_ARM_SCU if SMP
-	select HAVE_SMP
 	help
           Support for CSR SiRFSoC ARM Cortex A7 Platform