clk: imx: remove redundant re-assignment of pll->base

There are two identical assignments of pll->base to the same value,
the second assignment is redundant and can be removed.

Cleans up cppcheck warning:
drivers/clk/imx/clk-sscg-pll.c:528:12: style: Variable 'pll->base' is
reassigned a value before the old one has been used. [redundantAssignment]

Signed-off-by: Colin Ian King <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/imx/clk-sscg-pll.c

···
 	init.parent_names = parent_names;
 	init.num_parents = num_parents;
 
-	pll->base = base;
 	pll->hw.init = &init;
 
 	hw = &pll->hw;