MAINTAINERS: Move Milo Kim to credits

Milo Kim's email in TI bounces with permanent error (550: Invalid
recipient).  Last email from him on LKML was in 2017.  Move Milo Kim to
credits and remove the separate driver entries for:
 - TI LP855x backlight driver,
 - TI LP8727 charger driver,
 - TI LP8788 MFD (ADC, LEDs, charger and regulator) drivers.

Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Acked-by: Sebastian Reichel <sre@kernel.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
diff --git a/CREDITS b/CREDITS
index cef83b9..3e4913b 100644
--- a/CREDITS
+++ b/CREDITS
@@ -1933,6 +1933,9 @@
 E: kgene@kernel.org
 D: Samsung S3C, S5P and Exynos ARM architectures
 
+N: Milo Kim
+D: TI LP855x, LP8727 and LP8788 drivers
+
 N: Sangbeom Kim
 E: sbkim73@samsung.com
 D: Samsung SoC Audio (ASoC) drivers