ARM: spear6xx: remove board selection options
ARM: spear6xx: remove board selection options

There are no board specific configurations that need user
intervention, so just make MACH_SPEAR600 the silent default
for ARCH_SPEAR6XX to prevent users from turning it off, which
would result in a build error.

Signed-off-by: Arnd Bergmann <f2c659f01951776204a6c5b902787d9019fbeebd@arndb.de>
Reported-by: Paul Gortmaker <ae947f3c8df96e1dc851c5e3e5a930ce6d3f1f74@windriver.com>
Acked-by: Viresh Kumar <5ff32272b3d9f86512eddc8e0af523fc6f7924e5@st.com>

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