nvmem: qfprom: Improve the comment about regulator setting

In review feedback Joe Perches found the existing comment
confusing. Let's use something based on the wording proposed by Joe.

Suggested-by: Joe Perches <[e-mail]>
Signed-off-by: Douglas Anderson <[e-mail]>
Reviewed-by: Stephen Boyd <[e-mail]>
Signed-off-by: Srinivas Kandagatla <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/nvmem/qfprom.c

···
 	}
 
 	/*
-	 * Hardware requires a min voltage for fuse blowing; this may be
-	 * a rail shared do don't specify a max--regulator constraints
-	 * will handle.
+	 * Hardware requires a minimum voltage for fuse blowing.
+	 * This may be a shared rail so don't specify a maximum.
+	 * Regulator constraints will cap to the actual maximum.
 	 */
 	ret = regulator_set_voltage(priv->vcc, qfprom_blow_uV, INT_MAX);
 	if (ret) {