Merge tag 's390-ccw-bios-2020-07-02' into s390-next-staging

Merge tag 's390-ccw-bios-2020-07-02' into s390-next-staging

* Source code clean-ups from Janosch

# gpg: Signature made Thu 02 Jul 2020 11:56:01 AM CEST
# gpg:                using RSA key 27B88847EEE0250118F3EAB92ED9D774FE702DB5
# gpg:                issuer "[email protected]"
# gpg: Good signature from "Thomas Huth <[email protected]>" [full]
# gpg:                 aka "Thomas Huth <[email protected]>" [undefined]
# gpg:                 aka "Thomas Huth <[email protected]>" [undefined]
# gpg:                 aka "Thomas Huth <[email protected]>" [unknown]

* tag 's390-ccw-bios-2020-07-02':
  pc-bios/s390: Update s390-ccw bios binaries with the latest changes
  pc-bios/s390-ccw: Generate and include dependency files in the Makefile
  pc-bios: s390x: Make u32 ptr check explicit
  pc-bios: s390x: Use ebcdic2ascii table
  pc-bios: s390x: Move panic() into header and add infinite loop
  pc-bios: s390x: Use PSW masks where possible and introduce PSW_MASK_SHORT_ADDR
  pc-bios: s390x: Rename PSW_MASK_ZMODE to PSW_MASK_64
  pc-bios: s390x: Get rid of magic offsets into the lowcore
  pc-bios: s390x: Move sleep and yield to helper.h
  pc-bios: s390x: Consolidate timing functions into time.h
  pc-bios: s390x: cio.c cleanup and compile fix

Signed-off-by: Cornelia Huck <[email protected]>