clk: mmp: pxa1936: add interface to detect TSMC B0

GC team need this interface to distinguish
TSMC B0 from others and use different GC3d
pp table accordingly.

Change-Id: I35b9a51b1d404466cd5bfc439ecd48a7bff39dc6
Signed-off-by: Bill Zhou <zhoub@marvell.com>
2 files changed