MIPS: dspr2: add some specific mips code to commit I2c3f2b12f8df15b785fad5a9c56316e954ae0c53
MIPS: dspr2: add some specific mips code to commit I2c3f2b12f8df15b785fad5a9c56316e954ae0c53

added some C-code tuning also

Change-Id: I67ce70a063ef6b5821b9158a4defd6987eccbb9a

gshORTON/webm.libwebp,webmproject/libwebp,Acidburn0zzz/webm.libwebp,rxl194/libwebp,iniwf/webm.libwebp,Aexyn/libwebp,altogother/webm.libwebp,PKRoma/libwebp,ttyangf/libwebp,zofuthan/libwebp,reimaginemedia/webm.libwebp,PKRoma/libwebp,jiehu5114/libwebp,webmproject/libwebp,altogother/webm.libwebp,Acidburn0zzz/webm.libwebp,gshORTON/webm.libwebp,rxl194/libwebp,jacklicn/libwebp,kleopatra999/webm.libwebp,Aexyn/libwebp,zofuthan/libwebp,reimaginemedia/webm.libwebp,redengineer/libwebp,redengineer/libwebp,jiehu5114/libwebp,zofuthan/libwebp,ya7lelkom/libwebp,kim42083/webm.libwebp,zofuthan/libwebp,ericmckean/webm.libwebp,comoyo/gonzo-libwebp,Suvarna1488/webm.libwebp,abwiz0086/webm.libwebp,Acidburn0zzz/webm.libwebp,ttyangf/libwebp,comoyo/gonzo-libwebp,jiehu5114/libwebp,kleopatra999/webm.libwebp,Maria1099/webm.libwebp,ttyangf/libwebp,Aexyn/libwebp,kim42083/webm.libwebp,kalli123/webm.libwebp,gshORTON/webm.libwebp,kalli123/webm.libwebp,iniwf/webm.libwebp,PKRoma/libwebp,rxl194/libwebp,abwiz0086/webm.libwebp,kalli123/webm.libwebp,imazen/libwebp,matanbs/webm.libwebp,kleopatra999/webm.libwebp,Suvarna1488/webm.libwebp,imazen/libwebp,ya7lelkom/libwebp,kalli123/webm.libwebp,jacklicn/libwebp,ericmckean/webm.libwebp,altogother/webm.libwebp,matanbs/webm.libwebp,redengineer/libwebp,jacklicn/libwebp,comoyo/gonzo-libwebp,PKRoma/libwebp,abwiz0086/webm.libwebp,yohunl/libwebp,Maria1099/webm.libwebp,yohunl/libwebp,Acidburn0zzz/webm.libwebp,ya7lelkom/libwebp,kim42083/webm.libwebp,kim42083/webm.libwebp,Aexyn/libwebp,abwiz0086/webm.libwebp,Maria1099/webm.libwebp,redengineer/libwebp,imazen/libwebp,reimaginemedia/webm.libwebp,imazen/libwebp,iniwf/webm.libwebp,matanbs/webm.libwebp,imazen/libwebp,ya7lelkom/libwebp,jiehu5114/libwebp,Suvarna1488/webm.libwebp,matanbs/webm.libwebp,comoyo/gonzo-libwebp,jacklicn/libwebp,abwiz0086/webm.libwebp,kleopatra999/webm.libwebp,Suvarna1488/webm.libwebp,PKRoma/libwebp,kim42083/webm.libwebp,webmproject/libwebp,jiehu5114/libwebp,gshORTON/webm.libwebp,reimaginemedia/webm.libwebp,kleopatra999/webm.libwebp,Acidburn0zzz/webm.libwebp,ttyangf/libwebp,Suvarna1488/webm.libwebp,yohunl/libwebp,ericmckean/webm.libwebp,comoyo/gonzo-libwebp,ttyangf/libwebp,rxl194/libwebp,ericmckean/webm.libwebp,iniwf/webm.libwebp,yohunl/libwebp,Aexyn/libwebp,redengineer/libwebp,kalli123/webm.libwebp,Maria1099/webm.libwebp,yohunl/libwebp,comoyo/gonzo-libwebp,reimaginemedia/webm.libwebp,matanbs/webm.libwebp,gshORTON/webm.libwebp,Maria1099/webm.libwebp,rxl194/libwebp,ya7lelkom/libwebp,jacklicn/libwebp,altogother/webm.libwebp,iniwf/webm.libwebp,webmproject/libwebp,zofuthan/libwebp,comoyo/gonzo-libwebp,PKRoma/libwebp,altogother/webm.libwebp,webmproject/libwebp,ericmckean/webm.libwebp