ANDROID: remoteproc: core: Export the rproc coredump APIs

Marks the rproc_coredump() and rproc_coredump_cleanup()
APIs as exported symbols.

Signed-off-by: Siddharth Gupta <sidgup@codeaurora.org>

Bug: 188764827
Link: https://lore.kernel.org/lkml/1657016057-22806-2-git-send-email-quic_ylal@quicinc.com/


Change-Id: I8333774acb748fae10e0fd5146b747c4cf2ea6c7
Signed-off-by: Siddharth Gupta <quic_sidgup@quicinc.com>
Signed-off-by: Gokul krishna Krishnakumar <quic_gokukris@quicinc.com>
[quic_gurus: Changed EXPORT_SYMBOL -> EXPORT_SYMBOL_GPL]
Signed-off-by: Guru Das Srinagesh <quic_gurus@quicinc.com>