Macros for identifying the max frequency supported by various
OMAP4 variants - Expanding along the lines of OMAP3's feature
handling.

[nm@ti.com: minor fixes for checks that should only for 443x|446x]
Signed-off-by: NNishanth Menon <nm@ti.com>
Signed-off-by: NAneesh V <aneesh@ti.com>
Signed-off-by: NRajendra Nayak <rnayak@ti.com>
Reviewed-by: NKevin Hilman <khilman@ti.com>
Reviewed-by: NPaul Walmsley <paul@pwsan.com>
Signed-off-by: NTony Lindgren <tony@atomide.com>