cosmetic: fsl_pmic: cosmetic for the help message

This is cosmetic patch for the help message:

Before:
pmic dump [numregs] dump registers
After:
pmic dump [numregs] - dump registers

Signed-off-by: Jason Liu <jason.hui@linaro.org>
Acked-by: Stefano Babic <sbabic@denx.de>
1 file changed