clk: qcom: gcc-ipq4019: Remove unused variable 'ret'

Fixes the following W=1 kernel build warning(s):

drivers/clk/qcom/gcc-ipq4019.c: In function ‘clk_cpu_div_set_rate’:
drivers/clk/qcom/gcc-ipq4019.c:1279:6: warning: variable ‘ret’ set but not used [-Wunused-but-set-variable]

Cc: Andy Gross <[e-mail]>
Cc: Bjorn Andersson <[e-mail]>
Cc: Michael Turquette <[e-mail]>
Cc: Stephen Boyd <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Signed-off-by: Lee Jones <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Reviewed-by: Bjorn Andersson <[e-mail]>
Signed-off-by: Stephen Boyd <[e-mail]>

drivers/clk/qcom/gcc-ipq4019.c

···
 	struct clk_fepll *pll = to_clk_fepll(hw);
 	const struct freq_tbl *f;
 	u32 mask;
-	int ret;
 
 	f = qcom_find_freq(pll->freq_tbl, rate);
 	if (!f)
 		return -EINVAL;
 
 	mask = (BIT(pll->cdiv.width) - 1) << pll->cdiv.shift;
-	ret = regmap_update_bits(pll->cdiv.clkr.regmap,
-				 pll->cdiv.reg, mask,
-				 f->pre_div << pll->cdiv.shift);
+	regmap_update_bits(pll->cdiv.clkr.regmap,
+			   pll->cdiv.reg, mask,
+			   f->pre_div << pll->cdiv.shift);
 	/*
 	 * There is no status bit which can be checked for successful CPU
 	 * divider update operation so using delay for the same.