Over time the meaning of HAVE_GENERIC_VDSO has become off.
Today it only controls the availability of the vDSO datastore.
Rename the symbol to match its function.
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@kernel.org>
Reviewed-by: Vincenzo Frascino <vincenzo.frascino@arm.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Link: https://patch.msgid.link/20260709-vdso-have_generic_vdso-v1-6-d2e1061f268b@linutronix.de
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