MAINTAINERS: add device-tree files to TI DaVinci entry

Add device-tree files relevant to TI DaVinci platform
to its entry so mach-davinci sub-arch maintainers get
copied on patches with device-tree file updates.

Signed-off-by: Sekhar Nori <nsekhar@ti.com>

+1
+1
MAINTAINERS
··· 11775 S: Supported 11776 F: arch/arm/mach-davinci/ 11777 F: drivers/i2c/busses/i2c-davinci.c 11778 11779 TI DAVINCI SERIES MEDIA DRIVER 11780 M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>
··· 11775 S: Supported 11776 F: arch/arm/mach-davinci/ 11777 F: drivers/i2c/busses/i2c-davinci.c 11778 + F: arch/arm/boot/dts/da850* 11779 11780 TI DAVINCI SERIES MEDIA DRIVER 11781 M: "Lad, Prabhakar" <prabhakar.csengg@gmail.com>