iommu: OMAP: build only on OMAP2+
iommu: OMAP: build only on OMAP2+

The OMAP IOMMU driver intentionally fails to build on OMAP1
platforms, so we should not allow enabling it there.

Signed-off-by: Arnd Bergmann <f2c659f01951776204a6c5b902787d9019fbeebd@arndb.de>
Cc: Joerg Roedel <4688a6871ff025801033b3c4b039d55a29f8f937@8bytes.org>
Cc: d4d3187dbcba3fb2e2e25a4ce499c8e441b6817d@lists.linux-foundation.org
Cc: Ohad Ben-Cohen <f42ebdd520afb7505b40286b1d13fbb7281e5b96@wizery.com>
Cc: Tony Lindgren <1001e8702733cced254345e193c88aaa47a4f5de@atomide.com>
Cc: Omar Ramirez Luna <75108f4fedbbf960e2d357a652cba42b6b93f179@linaro.org>
Acked-by: Tony Lindgren <1001e8702733cced254345e193c88aaa47a4f5de@atomide.com>
Signed-off-by: Joerg Roedel <4688a6871ff025801033b3c4b039d55a29f8f937@8bytes.org>

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