Enable CONFIG_HIGHMEM to support larger memory size.

Without CONFIG_HIGHMEM, the usable memory is limited to 760 MB for
an ARM image, and 895 MB for a x86 image. For instance, Android TV
AVDs set 2 GB RAM by default, but /proc/meminfo shows only 748964 kB
for ARM, and 900744 kB for x86.

Bug: 33663715
Change-Id: Ibfa7ac80dad6c55ed99c56cdc7b09fa6a6ea7f81
Signed-off-by: Samael Wang <freesamael@gmail.com>
(cherry picked from commit a6ff0746142e082250df0729ab7d26ee46c14d9d)
2 files changed