platform/x86: x86-android-tablets: Move Lenovo tablets to their own file

Move the info for the Lenovo tablets to their own lenovo.c file.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/20230301092331.7038-8-hdegoede@redhat.com

drivers/platform/x86/x86-android-tablets/Makefile

@@ -5,4 +5,5 @@
 
 obj-$(CONFIG_X86_ANDROID_TABLETS) += x86-android-tablets.o
 
-x86-android-tablets-y := core.o dmi.o shared-psy-info.o asus.o x86-android-tablets-main.o
+x86-android-tablets-y := core.o dmi.o shared-psy-info.o \
+			 asus.o lenovo.o x86-android-tablets-main.o