usb: typec: tcpm: use max() to get higher value

Use max() for better readability and to fix cocci warnings.

Reported-by: kernel test robot <[e-mail]>
Reported-by: Julia Lawall <[e-mail]>
Closes: https://lore.kernel.org/r/[e-mail]/
Signed-off-by: R Sundar <[e-mail]>
Reviewed-by: Heikki Krogerus <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

drivers/usb/typec/tcpm/tcpm.c

···
 			src_mv = pdo_fixed_voltage(pdo);
 			src_ma = pdo_max_current(pdo);
 			tmp = src_mv * src_ma;
-			max_src_uw = tmp > max_src_uw ? tmp : max_src_uw;
+			max_src_uw = max(tmp, max_src_uw);
 		}
 	}