clk: clk-flexgen: fix clock-critical handling

Fixes an issue leading to having all clocks following a critical
clocks marked as well as criticals.

Fixes: fa6415a ("clk: st: clk-flexgen: Detect critical clocks")
Signed-off-by: Alain Volmat <[email protected]>
Link: https://lkml.kernel.org/r/[email protected]
Reviewed-by: Patrice Chotard <[email protected]>
Signed-off-by: Stephen Boyd <[email protected]>

Author: Alain Volmat

drivers/clk/st/clk-flexgen.c

@@ -375,6 +375,7 @@ static void __init st_of_flexgen_setup(struct device_node *np)
 			break;
 		}
 
+		flex_flags &= ~CLK_IS_CRITICAL;
 		of_clk_detect_critical(np, i, &flex_flags);
 
 		/*