Add missing file

From-SVN: r232695

libgcc/config/rs6000/float128-sed-hw

+s/__addtf3/__addkf3_sw/g
+s/__divtf3/__divkf3_sw/g
+s/__eqtf2/__eqkf2_sw/g
+s/__extenddftf2/__extenddfkf2_sw/g
+s/__extendsftf2/__extendsfkf2_sw/g
+s/__fixtfdi/__fixkfdi_sw/g
+s/__fixtfsi/__fixkfsi_sw/g
+s/__fixunstfdi/__fixunskfdi_sw/g
+s/__fixunstfsi/__fixunskfsi_sw/g
+s/__floatditf/__floatdikf_sw/g
+s/__floatsitf/__floatsikf_sw/g
+s/__floatunditf/__floatundikf_sw/g
+s/__floatunsitf/__floatunsikf_sw/g
+s/__getf2/__gekf2_sw/g
+s/__gttf2/__gtkf2_sw/g
+s/__letf2/__lekf2_sw/g
+s/__lttf2/__ltkf2_sw/g
+s/__multf3/__mulkf3_sw/g
+s/__negtf2/__negkf2_sw/g
+s/__netf2/__nekf2_sw/g
+s/quad[.]h/quad-float128.h/g
+s/__subtf3/__subkf3_sw/g
+s/__trunctfdf2/__trunckfdf2_sw/g
+s/__trunctfsf2/__trunckfsf2_sw/g
+s/__unordtf2/__unordkf2_sw/g