G723.1 implementation code on DM642

Detailed description: The implementation code of G723.1 on DM642 adopts TI recommanded RF5 architecture. File list: codec .....\\G723DE .....\\......\\cc_build_Debug.log .....\\......\\cc_build_Release.log .....\\......\\Debug .....\\......\\Debug.lkf .....\\......\\Debug.lkv .....\\......\\g723de .....\\......\\......\\g723de.c .....\\......\\......\\g723de.h .....\\......\\G723DE.HBT .....\\......\\G723DE.paf .....\\......\\G723DE.pjt .....\\......\\include .....\\......\\.......\\g723de_kn.h .....\\......\\.......\\ig723de.h .....\\......\\lib .....\\......\\...\\g723de.cmd .....\\......\\...\\makelib.bat .....\\......\\Release .....\\......\\Release.lkf .....\\......\\Release.lkv .....\\......\\src .....\\......\\...\\g723de_kn_ialg.c .....\\......\\...\\g723de_kn_ialgvt.c .....\\......\\...\\ig723de.c .....\\......\\tstapp .....\\......\\......\\main.c .....\\......\\......\\_GI23DE.c .....\\......\\......\\_GI23DE.h .....\\......\\VABCode .....\\......\\.......\\G723DE.bmp .....\\......\\.......\\G723DE.def .....\\......\\.......\\G723DE.dsp .....\\......\\.......\\G723DE.dsw .....\\......\\.......\\G723DE.h .....\\......\\.......\\G723DE.ico .....\\......\\.......\\G723DE.mak .....\\......\\.......\\G723DE.rc .....\\......\\.......\\G723DE.txt .....\\......\\.......\\G723DE1.ico .....\\......\\.......\\hresourc.h .....\\......\\.......\\IFG723DE.c .....\\......\\.......\\resource.h .....\\G723EN .....\\......\\cc_build_Debug.log .....\\......\\cc_build_Release.log .....\\......\\Debug .....\\......\\Debug.lkv .....\\......\\g723en .....\\......\\......\\g723en.c .....\\......\\......\\g723en.h .....\\......\\G723EN.HBT .....\\......\\G723EN.paf .....\\......\\G723EN.pjt .....\\......\\include .....\\......\\.......\\basop.h .....\\......\\.......\\coder.h .....\\......\\.......\\cst_lbc.h .....\\......\\.......\\decod.h .....\\......\\.......\\exc_lbc.h .....\\......\\.......\\g723en_kn.h .....\\......\\.......\\ig723en.h .....\\......\\.......\\lpc.h .....\\......\\.......\\lsp.h .....\\......\\.......\\tab_lbc.h .....\\......\\.......\\util_lbc.h .....\\......\\lib .....\\......\\...\\g723en.cmd .....\\......\\...\\makelib.bat ... ...