max17055: Invalidate all batt info when batt not present.
max17055: Invalidate all batt info when batt not present.

BUG=b:117061273
TEST=on kukui, remove batt, connect pd, see battery output in console
> battery
  Status:    0x0000
  Param flags:000007fc
  Temp:      0x0000 = 0.0 K (-273.1 C)
  V:         0x0000 = 0 mV
  V-desired: 0x0000 = 0 mV
  I:         0x0000 = 0 mA
  I-desired: 0x0000 = 0 mA
  Charging:  Not Allowed
  Charge:    0 %
  Manuf:     <unkn>
  Device:    <BATT>
  Chem:      <unkn>
  Serial:    0xffffffff
  V-design:  0x0f14 = 3860 mV
  Mode:      (unsupported)
  Abs charge:(unsupported)
  Remaining: 6334 mAh
  Cap-full:  6910 mAh
    Design:  6910 mAh
  Time-full: 0h:0
    Empty:   102h:23
TEST=on connect batt, connect pd, see battery output in console
BRANCH=None

Change-Id: Ied338266fa0f7713da408438460bc97d4db01e6f
Signed-off-by: Yilun Lin <2f2733c7206ea2b76bd2db1905cc5e8a75841c48@google.com>
Reviewed-on: https://chromium-review.googlesource.com/1253372
Commit-Ready: Yilun Lin <2f2733c7206ea2b76bd2db1905cc5e8a75841c48@chromium.org>
Tested-by: Yilun Lin <2f2733c7206ea2b76bd2db1905cc5e8a75841c48@chromium.org>
Reviewed-by: Philip Chen <3ee404f9ef892bc3fda6e6a76e65843b5fa44db2@chromium.org>
Reviewed-by: Nicolas Boichat <f3daba1cdc403799935674d3cd4b0e5bd1804232@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec