clk: ast2600: Fix AHB clock divider for A1
The latest specs for the AST2600 A1 chip include some different bit definitions for calculating the AHB clock divider. Implement these in order to get the correct AHB clock value in Linux. Signed-off-by: Eddie James <eajames@linux.ibm.com> Link: https://lkml.kernel.org/r/20200408203616.4031-1-eajames@linux.ibm.com Fixes: d3d04f6c ("clk: Add support for AST2600 SoC") Signed-off-by: Stephen Boyd <sboyd@kernel.org>