rpm 5.4.9: DEPENDS on bison-native

rpm 5.4.9: DEPENDS on bison-native

The rpm should depend on bison-native, otherwise errors when "bitbake
rpm-native" in a fresh build:

| make[4]: Entering directory `/path/to/rpm-native-5.4.9-r46/rpm-5.4.9/syck/lib'
| bison -d -t -v -p syck -o gram.c gram.y
| make[4]: bison: Command not found

Basically, both the rpm-native and rpm should depend on bison-native,
but don't need depend on bison, but it seems that it isn't necessary
to add another depend line:

DEPENDS_virtclass-native = "libpcre-native ... bison-native"

So just add it to the DEPENDS.

[YOCTO #3123]

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Saul Wold <sgw@linux.intel.com>