tree a46d2ea4b6a3c2e053a528d30e4c229eb5182800
parent ca1fdc6b5f235a703e46842ad6368c1e0205a8b1
author Sam Leffler <sleffler@google.com> 1729105086 -0700
committer Sam Leffler <sleffler@google.com> 1732052672 +0000

sencha: track hardware memory map

The sencha hardware spec has .5M of SRAM at 0x50000000; change the
board spec and take a guess at what heap+shadow should be.

Bypass-Presubmit-Reason: tested as part of the topic

Change-Id: Iea5ec719deccac9af65ea3025339b77826395508