clk: at91: Trivial typo fixes in the file sama7g5.c

s/critial/critical/  ......two different places
s/parrent/parent/

Signed-off-by: Bhaskar Chowdhury <unixbhaskar@gmail.com>
Link: https://lore.kernel.org/r/20210313053222.14706-1-unixbhaskar@gmail.com


Acked-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>