arm64/sysreg: Rename SCTLR_EL1_NTWE/TWI to SCTLR_EL1_nTWE/TWI

We already use lower case in some defines in sysreg.h, for consistency with
the architecture definition do so for SCTLR_EL1.nTWE and SCTLR_EL1.nTWI.

No functional change.

Signed-off-by: Mark Brown <broonie@kernel.org>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Link: https://lore.kernel.org/r/20220503170233.507788-5-broonie@kernel.org


Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>