firmware: ti_sci: rm: remove unneeded semicolon

The semicolon after `}' is unneeded. So, just remove it.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Link: https://lore.kernel.org/r/20211114055333.217919-1-wangborong@cdjrlc.com