regulator: mcp16502: code cleanup

This patch does the following:
- align parameter with parenthesis
- fix compile error

If CONFIG_SUSPEND is not set the dummy pm_ops
callbacks are named mcp16502_suspend and mcp16502_resume
instead of mcp16502_suspend_noirq and mcp16502_resume_noirq.

Excerpt from compile log (kbuild test robot):

In file included from include/linux/device.h:23:0,
from include/linux/gpio/driver.h:5,
from include/asm-generic/gpio.h:13,
from include/linux/gpio.h:62,
from drivers/regulator/mcp16502.c:11:

>> drivers/regulator/mcp16502.c:527:32: error: 'mcp16502_suspend_noirq'
undeclared here (not in a function); did you mean 'mcp16502_suspend'?
SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(mcp16502_suspend_noirq,

>> drivers/regulator/mcp16502.c:528:10: error: 'mcp16502_resume_noirq'
undeclared here (not in a function); did you mean 'mcp16502_suspend_noirq'?
mcp16502_resume_noirq)

vim +527 drivers/regulator/mcp16502.c

524
525	#ifdef CONFIG_PM
526	static const struct dev_pm_ops mcp16502_pm_ops = {
> 527		SET_NOIRQ_SYSTEM_SLEEP_PM_OPS(mcp16502_suspend_noirq,
> 528					     mcp16502_resume_noirq)
529	};
530	#endif
531	static const struct i2c_device_id mcp16502_i2c_id[] = {
532		{ "mcp16502", 0 },
533		{ }
534	};
535	MODULE_DEVICE_TABLE(i2c, mcp16502_i2c_id);
536

Signed-off-by: Andrei Stefanescu <andrei.stefanescu@microchip.com>
Signed-off-by: Mark Brown <broonie@kernel.org>