ARM: OMAP2+: PM: add missing newline to VC warning message

Add missing newline to warning message to avoid annoying
wrapping problems during kernel boot like this one:

   omap_vc_i2c_init: I2C config for vdd_iva does not match other channels (0).
   omap_vc_i2c_init: I2C config for vdd_mpu does not match other channels (0).Power Management for TI OMAP4.

Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Kevin Hilman <khilman@ti.com>