thermal: amlogic: Appease the kernel-doc deity

Fix up the following warning when compiled with make W=1:

linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'A' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'B' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'm' not described in 'amlogic_thermal_soc_calib_data'
linux.git/drivers/thermal/amlogic_thermal.c:78: warning: Function parameter or member 'n' not described in 'amlogic_thermal_soc_calib_data'

Signed-off-by: Amit Kucheria <amit.kucheria@linaro.org>
Reviewed-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Daniel Lezcano <daniel.lezcano@linaro.org>
Link: https://lore.kernel.org/r/139c9191f1a18d528b5f94376facf40291d28244.1574242756.git.amit.kucheria@linaro.org