rtc: rs5c313: correct some spelling mistakes

Change 'modifed' to 'modified'.
Change 'Updata' to 'Update'.
Change 'Initiatlize' to 'Initialize'.

Signed-off-by: Zhang Jiaming <jiaming@nfschina.com>
Link: https://lore.kernel.org/r/20220622085344.23519-1-jiaming@nfschina.com


Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>