i3c: mipi-i3c-hci: Add quirk to allow IBI while runtime suspended

Some I3C controllers can be automatically runtime-resumed in order to
handle in-band interrupts (IBIs), meaning that runtime suspend does not
need to be blocked when IBIs are enabled.

For example, a PCI-attached controller in a low-power state may generate
a Power Management Event (PME) when the SDA line is pulled low to signal
the START condition of an IBI. The PCI subsystem will then runtime-resume
the device, allowing the IBI to be received without requiring the
controller to remain active.

Introduce a new quirk, HCI_QUIRK_RPM_IBI_ALLOWED, so that drivers can
opt-in to this capability via driver data.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260306085338.62955-3-adrian.hunter@intel.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

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