clk: meson: pll: print out pll name when unable to lock it

In most meson systems, multiple PLLs are present, making it difficult to
identify the specific PLL that fails to lock. To address this issue,
print out the name of the PLL that cannot be locked.

Signed-off-by: Dmitry Rokosov <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Jerome Brunet <[e-mail]>

drivers/clk/meson/clk-pll.c

···
 
 	ret = meson_clk_pll_enable(hw);
 	if (ret) {
-		pr_warn("%s: pll did not lock, trying to restore old rate %lu\n",
-			__func__, old_rate);
+		pr_warn("%s: pll %s didn't lock, trying to set old rate %lu\n",
+			__func__, clk_hw_get_name(hw), old_rate);
 		/*
 		 * FIXME: Do we really need/want this HACK ?
 		 * It looks unsafe. what happens if the clock gets into a