Update the date of introducing max14577 charger's ABI (fast_charge_timer
sysfs entry) to approximate date of kernel release which actually
introduces this.

The old date came from previous driver submissions.
Signed-off-by: NKrzysztof Kozlowski <k.kozlowski@samsung.com>
Signed-off-by: NSebastian Reichel <sre@kernel.org>