xtensa: xt2000: drop redundant sysmem initialization
xtensa: xt2000: drop redundant sysmem initialization

sysmem structure initialization in xt2000 platform_init is identical to
the one done in init_arch just before the call to platform_init.

Signed-off-by: Max Filippov <8c5ea195856807f4f02a6e0749c87ea6b7375f38@gmail.com>

KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs