MIPS: Alchemy: fold mach-db1xxx/db1x00 headers into board code

Merge the db1200.h and db1300.h headers into their only users.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Cc: Linux-MIPS <linux-mips@linux-mips.org>
Patchwork: https://patchwork.linux-mips.org/patch/6660/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

diff --cc arch/mips/alchemy/devboards/db1200.c
Simple merge

diff --cc arch/mips/alchemy/devboards/db1300.c
Simple merge

diff --cc arch/mips/include/asm/mach-db1x00/db1200.h
Simple merge

diff --cc arch/mips/include/asm/mach-db1x00/db1300.h
Simple merge