mm/memblock: add MEMBLOCK_RSRV_NOINIT into flagname[] array

The commit 77e6c43e ("memblock: introduce MEMBLOCK_RSRV_NOINIT flag")
skipped adding this newly introduced memblock flag into flagname[] array,
thus preventing a correct memblock flags output for applicable memblock
regions.

Link: https://lkml.kernel.org/r/20240209030912.1382251-1-anshuman.khandual@arm.com


Fixes: 77e6c43e ("memblock: introduce MEMBLOCK_RSRV_NOINIT flag")
Signed-off-by: Anshuman Khandual <anshuman.khandual@arm.com>
Reviewed-by: Mike Rapoport <rppt@kernel.org>
Cc: <stable@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>