[LLDB] Update AArch64 Dwarf and EH frame register numbers

This patch updates ARM64_ehframe_Registers.h and ARM64_DWARF_Registers.h
with latest register numbers in line with AArch64 SVE support.

For refernce take a look at "DWARF for the ARM® 64-bit Architecture (AArch64)
with SVE support" manual from Arm.
Version used: abi_sve_aadwarf_100985_0000_00_en.pdf