Update bootloader, u-boot tools to builds 11747621

git log --first-parent -100 --oneline --no-decorate e25919d3a133..901bc28475e9:
901bc28475 Merge "ANDROID: fix overwrite and increase the memory gap for kernel and initramfs" into main
8275813a47 Delete WORKSPACE files.
137f70a7b3 Use swig bits from kernel-build-tools
b52156669a pylibfdt: Work-around SWIG limitations with flexible arrays
7386a9ca90 Fix EFI net issues
838d1740bc kleaf: Add bzlmod files.
a352f91947 ANDROID: Remove BRANCH in build.config.constants.
e071a2c242 Merge "Removing efi build from uboot" into main

Test: treehugger
Bug: 284169882
Bug: 284441619
Bug: 333523137
Bug: 304689434
Change-Id: If7defe97a1a5ed1ebfde553883e5d7e65aff9654
12 files changed