clk: mmp: pxa1928: drop unused 'clk' variable

'clk' is assigned but never read:

drivers/clk/mmp/clk-of-pxa1928.c: In function ‘pxa1928_pll_init’:
drivers/clk/mmp/clk-of-pxa1928.c:71:14: warning: variable ‘clk’ set but not used [-Wunused-but-set-variable]

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

drivers/clk/mmp/clk-of-pxa1928.c

···
 
 static void pxa1928_pll_init(struct pxa1928_clk_unit *pxa_unit)
 {
-	struct clk *clk;
 	struct mmp_clk_unit *unit = &pxa_unit->unit;
 
 	mmp_register_fixed_rate_clks(unit, fixed_rate_clks,
···
 	mmp_register_fixed_factor_clks(unit, fixed_factor_clks,
 					ARRAY_SIZE(fixed_factor_clks));
 
-	clk = mmp_clk_register_factor("uart_pll", "pll1_416",
+	mmp_clk_register_factor("uart_pll", "pll1_416",
 				CLK_SET_RATE_PARENT,
 				pxa_unit->mpmu_base + MPMU_UART_PLL,
 				&uart_factor_masks, uart_factor_tbl,