clk: st: clkgen-pll: remove unused variable 'st_pll3200c32_407_a0'

drivers/clk/st/clkgen-pll.c:64:37: warning:
 st_pll3200c32_407_a0 defined but not used [-Wunused-const-variable=]

It is never used, so can be removed.

Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lkml.kernel.org/r/20190816135523.73520-1-yuehaibing@huawei.com


Acked-by: Gabriel Fernandez <gabriel.fernandez@st.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>