[Ada] VxWorks inconsistent use of return type (vx_freq_t)

gcc/ada/

	* libgnarl/s-osinte__vxworks.ads (SVE): New package renaming
	(vx_freq_t): New subtype.
	(sysClkRateGet): Return vx_freq_t.
	* libgnarl/s-vxwext.ads (vx_freq_t): New type.
	* libgnarl/s-vxwext__kernel.ads: Likewise.
	* libgnarl/s-vxwext__rtp.ads: Likewise.
4 files changed