flashchips: Add Macronix MX25R3235F

32Mbit (4MiB) [x1/x2/x4] Wide Voltage Range (VCC 1.65V-3.6V). It is
similar to the already-supported MX25R6435F, but the total size is
halved.

Tested on ch341a, FT4232H and FT2232H (PicoTAP) programmers, confirmed
working probe, read, erase and write.

Fixes: https://github.com/flashrom/flashrom/issues/43



Change-Id: I6e79115adba17d13d24bc85d78707d53fd4a0be5
Signed-off-by: Samir Ibradzic <sibradzic@gmail.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/39532


Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>