malta: add myself to maintainers

This patch adds me as a maintainer of the malta(el) board(s). I have
access to physical Malta boards and the desire for U-boot to run well on
them.

Signed-off-by: Paul Burton <paul.burton@imgtec.com>

boards.cfg

@@ -482,8 +482,8 @@ Active  m68k        mcf547x_8x     -           freescale       m548xevb
 Active  microblaze  microblaze     -           xilinx          microblaze-generic  microblaze-generic                   -                                                                                                                                 Michal Simek <monstr@monstr.eu>
 Active  mips        mips32         -           -               qemu-mips           qemu_mips                            qemu-mips:SYS_BIG_ENDIAN                                                                                                          Vlad Lungu <vlad.lungu@windriver.com>
 Active  mips        mips32         -           -               qemu-mips           qemu_mipsel                          qemu-mips:SYS_LITTLE_ENDIAN                                                                                                       -
-Active  mips        mips32         -           imgtec          malta               malta                                malta:MIPS32,SYS_BIG_ENDIAN                                                                                                       -
-Active  mips        mips32         -           imgtec          malta               maltael                              malta:MIPS32,SYS_LITTLE_ENDIAN                                                                                                    -
+Active  mips        mips32         -           imgtec          malta               malta                                malta:MIPS32,SYS_BIG_ENDIAN                                                                                                       Paul Burton <paul.burton@imgtec.com>
+Active  mips        mips32         -           imgtec          malta               maltael                              malta:MIPS32,SYS_LITTLE_ENDIAN                                                                                                    Paul Burton <paul.burton@imgtec.com>
 Active  mips        mips32         -           micronas        vct                 vct_platinum                         vct:VCT_PLATINUM                                                                                                                  -
 Active  mips        mips32         -           micronas        vct                 vct_platinum_onenand                 vct:VCT_PLATINUM,VCT_ONENAND                                                                                                      -
 Active  mips        mips32         -           micronas        vct                 vct_platinum_onenand_small           vct:VCT_PLATINUM,VCT_ONENAND,VCT_SMALL_IMAGE                                                                                      -