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 <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20220303090508.1125175-1-colin.i.king@gmail.comSigned-off-by: Stephen Boyd <sboyd@kernel.org>

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

@@ -525,7 +525,6 @@ struct clk_hw *imx_clk_hw_sscg_pll(const char *name,
 	init.parent_names = parent_names;
 	init.num_parents = num_parents;
 
-	pll->base = base;
 	pll->hw.init = &init;
 
 	hw = &pll->hw;