i386: Omit "p" for packed in intrin name for FP8 convert

i386: Omit "p" for packed in intrin name for FP8 convert

gcc/ChangeLog:

	* config/i386/avx10_2-512convertintrin.h:
	Omit "p" for packed for FP8.
	* config/i386/avx10_2convertintrin.h: Ditto.

gcc/testsuite/ChangeLog:

	* gcc.target/i386/avx10_2-512-convert-1.c: Adjust intrin call.
	* gcc.target/i386/avx10_2-512-vcvtbiasph2bf8-2.c: Ditto.
	* gcc.target/i386/avx10_2-512-vcvtbiasph2bf8s-2.c: Ditto.
	* gcc.target/i386/avx10_2-512-vcvtbiasph2hf8-2.c: Ditto.
	* gcc.target/i386/avx10_2-512-vcvtbiasph2hf8s-2.c: Ditto.
	* gcc.target/i386/avx10_2-convert-1.c: Ditto.