arm: socfpga: Fix CLKMGR_INTOSC_HZ to 400MHz

CLKMGR_INTOSC_HZ should be 400MHz, instead of 460MHz.
Removed also unused macros CLKMGR_EOSC1_HZ and CLKMGR_FPGA_CLK_HZ.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Reviewed-by: Simon Goldschmidt <simon.k.r.goldschmidt@gmail.com>
1 file changed