mariadb: fix QA Issue ELF binary has relocations in .text while multilib enabled

bitbake lib32-mariadb
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WARNING: QA Issue: ELF binary 'bitbake_build/tmp/work/x86-wrsmllib32-linux/lib32-mariadb/5.1.67-r0/packages-split/lib32-libmysqlclient/usr/lib/plugin/ha_xtradb.so.0.0.0' has relocations in .text
WARNING: QA Issue: ELF binary 'bitbake_build/tmp/work/x86-wrsmllib32-linux/lib32-mariadb/5.1.67-r0/packages-split/lib32-libmysqlclient/usr/lib/plugin/ha_innodb_plugin.so.0.0.0' has relocations in .text
...
The mariadb used absolute addresses on IA-32, we should forbid this.

Signed-off-by: Hongxu Jia <hongxu.jia@windriver.com>
Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>