cpm2_smc_clk_setup
int __init cpm2_smc_clk_setup(enum cpm_clk_target target, int clock);
cpm2_smc_clk_setup(CPM_CLK_SMC1, CPM_BRG7);
cpm2_smc_clk_setup(CPM_CLK_SMC2, CPM_BRG8);
cpm2_smc_clk_setup(CPM_CLK_SMC1, CPM_BRG7);