x86, boot: correct the calculation of ZO_INIT_SIZE
H. Peter Anvin authored

Correct the calculation of ZO_INIT_SIZE (the amount of memory we need
during decompression).  One symbol (ZO_startup_32) was missing from
zoffset.h, and another (ZO_z_extract_offset) was misspelled.

[ Impact: build fix ]
Signed-off-by: default avatarH. Peter Anvin <hpa@zytor.com>
c6ac4c18