Merge remote-tracking branch 'origin/imx_v2021.04' into lf_v2021.04

* origin/imx_v2021.04: (7 commits)
  LFU-15 Fix using uninitialized value
  LF-1897 trusty: Fix extra argument to printf format specifier
  LF-1896 trusty: fix invalid type in argument to printf format specifier
  LF-1894 trusty: fix invalid printf format string
  LF-1892 7ulp: Fix missing break in switch
  ...