i2c: amd8111: Fix coding style issues

Fix the following checkpatch errors:

  ERROR: "foo * bar" should be "foo *bar"
  #189: FILE: drivers/i2c/busses/i2c-amd8111.c:189:

  ERROR: "foo * bar" should be "foo *bar"
  #191: FILE: drivers/i2c/busses/i2c-amd8111.c:191:

  ERROR: switch and case should be at the same indent
  #201: FILE: drivers/i2c/busses/i2c-amd8111.c:201:

  ERROR: switch and case should be at the same indent
  #359: FILE: drivers/i2c/busses/i2c-amd8111.c:359:

No functional changes.

Signed-off-by: Tian Tao <tiantao6@hisilicon.com>
Signed-off-by: Zihao Tang <tangzihao1@hisilicon.com>
Signed-off-by: Wolfram Sang <wsa@kernel.org>