[TEST ONLY] test Zephyr with 2 fixes

Test an HPSRAM D3 fix, which also requires an additional not yet
merged fix, this is why this redirection to a private tree.

Signed-off-by: Guennadi Liakhovetski <guennadi.liakhovetski@linux.intel.com>

west.yml

@@ -9,8 +9,8 @@ manifest:
  remotes:
  - name: thesofproject
  url-base: https://github.com/thesofproject
- - name: zephyrproject
- url-base: https://github.com/zephyrproject-rtos
+ - name: lyakh
+ url-base: https://github.com/lyakh
 
  # When upgrading projects here please run git log --oneline in the
  # project and if not too long then include the output in your commit
@@ -43,8 +43,8 @@ manifest:
 
  - name: zephyr
  repo-path: zephyr
- revision: 689d1edee1d57f052b1d4572d67618c0b0e2b8a4
- remote: zephyrproject
+ revision: 46392caab0ad766e08a624c5ff71393a8a202971
+ remote: lyakh
 
  # Import some projects listed in zephyr/west.yml@revision
  #