[MIPS] Build fdlibm in forced IEEE mode

Overriding _LIB_VERSION_TYPE on the command line just doesn't work
so fdlibm ended up being built with multimode support. This patch
fixes that and adds dependencies on the makefile so everything gets
rebuilt.

Change-Id: I0623a9c70d374974377112f0c71d4e163d92cf59
Signed-off-by: Chris Dearman <chris@mips.com>
1 file changed