felwinter: fan turn high and low momentary in G3 and DC only
felwinter: fan turn high and low momentary in G3 and DC only

To turn the fan during deep sleep, you need to set pwm_config_dsleep
and lower the frequency.
The original frequency of 25000 cannot make pwm need at least two
cycles,so it is changed to 1000 (recommended by nuvaton).

BUG=b:198371480
BRANCH=none
TEST=make -j BOARD=felwinter and flash ec.bin to brya p2 and
Observe whether the fan turn high and low momentary in G3 and DC only.

Signed-off-by: Owen_Ou <835f4dd27a5b87ad86f9c3ab70852a51a1e734ee@compal.corp-partner.google.com>
Change-Id: I9fa29a21b2c5de17ed98b1af479a4b154ab60d6d
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3139616
Tested-by: Owen Ou <1c7d20aad43af22b31ed97214193e939931051a3@compal.corp-partner.google.com>
Auto-Submit: Owen Ou <1c7d20aad43af22b31ed97214193e939931051a3@compal.corp-partner.google.com>
Reviewed-by: Elmo Lan <585f3d3f9d0e2b3e279164f824d1eb34f79f0b80@compal.corp-partner.google.com>
Reviewed-by: YH Lin <a608809fda0b3a5e5ffc78f5b79106a21e96e6dd@chromium.org>
Reviewed-by: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>
Commit-Queue: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>

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