Add support for the AP807 die thermal data. This is the same as AP806,
except for the coefficients.

ap807 values taken from TSENSE_ADC_16FFC spec, which says:
	T(in Celsius) = T(code)*TSENE_GAIN+TSENE_OFFSET
where in default:
	TSENE_OFFSET = 128.9
	TSENE_GAIN = 0.394
Signed-off-by: Alex Leibovich <alexl@marvell.com>
Tested-by: sa_ip-sw-jenkins <sa_ip-sw-jenkins@marvell.com>
Reviewed-by: Stefan Chulski <stefanc@marvell.com>
Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Reviewed-by: Miquel Raynal <miquel.raynal@bootlin.com>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/E1qA7yU-00Ea4u-Je@rmk-PC.armlinux.org.uk