ras-mc-ctl command fails to print the correct DIMM sizes

Issue

• The option --layout of the ras-mc-ctl command fails to print the correct DIMM sizes.

# ras-mc-ctl --layout
Use of uninitialized value $max_pos[3] in modulus (%) at /usr/sbin/ras-mc-ctl line 905.
Use of uninitialized value $d in numeric ge (>=) at /usr/sbin/ras-mc-ctl line 906.
Use of uninitialized value $d in sprintf at /usr/sbin/ras-mc-ctl line 909.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
Use of uninitialized value $pos[3] in join or string at /usr/sbin/ras-mc-ctl line 828.
    +-----------------------------------------------------------------------------------------------------------+
    |                                                    mc0                                                    |
    |             channel0              |             channel1              |             channel2              |
    |   slot0   |   slot1   |   slot2   |   slot0   |   slot1   |   slot2   |   slot0   |   slot1   |   slot2   |
----+-----------------------------------------------------------------------------------------------------------+
 0: |     0 MB  |     0 MB  |     0 MB  |     0 MB  |     0 MB  |     0 MB  |     0 MB  |     0 MB  |     0 MB  |
----+-----------------------------------------------------------------------------------------------------------+