By using "cortexa9-neon" instead of "cortexa9hf-neon" for 
"DEFAULTTUNE_mx6" in the "meta-fsl-arm" layer(conf/machine/include/imx-base.inc) 
compiled the toolchain and with this toolchain linking issue not observed. 

– Ravi A May 29 '16 at 5:18
https://stackoverflow.com/questions/37468609/toolchain-configuration-for-softfp-using-yocto