Remove redundant user-input conversion from ipmi_sel_delete()

Commit removes redundant conversion of user input from ipmi_sel_delete(). This
is probably some omitted leftover.

Fix big parameter passed by value in ipmi_sel_oem_match() - CID#1261347

Pass struct as a pointer instead.

ID:355 - Fix zero-length format string warning in get_supermicro_evt_desc()

Change formatting of ipmi_sel_oem_match()

Clenaup formatting in ipmi_sel_show_entry()

ID:355 - Fix compiler warnings

Commit removes all unused variables reported by compiler.

ID:355 - Fix Enumeration value not handled in ipmi_get_event_desc()

Commit fixes ``Enumeration value not handled'' in ipmi_get_event_desc() by
adding 'default' to the switch.

Remove length checks in get_supermicro_evt_desc()

Commit removes length checks in get_supermicro_evt_desc(), because they make no
sense. Fixes out-of-bound-reads CID#1149029 and CID#1149030

Fix out-of-bound-reads in get_supermicro_evt_desc()

CID#1149029 and CID#1149030

Fix memory leak in get_supermicro_evt_desc()

Commit fixes memory leak in get_supermicro_evt_desc() - CID#1149050

ID:355 - Fix ``ISO C forbids omitting the middle term of a ?: expression''

Commit fixes omitted middle terms of ternary expressions.

ID: 46 - SEL OEM record corner case

According to 31.6.1 SEL Record Type Ranges, IPMIv2.0 specification, timestamped
OEM SEL records are in interval of <C0h,DFh> and not <C0h,DFh).

ID: 297 - don't print-out SEL entry if ID not present

Don't print-out SEL log entry if SEL Record ID isn't present.

Patch-by: Mamatha Inamdar

Move all files one level up in the file hierarcy, to avoid the useless ipmitool directory.