ARM: 9288/1: Kconfigs: fix spelling & grammar

Fix spelling (reported by codespell) and grammar in Arm Kconfig files.

Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Cc: linux-arm-kernel@lists.infradead.org
Cc: patches@armlinux.org.uk
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>