powerpc/irq: drop __irq_offset_value

This patch drops__irq_offset_value which has not been used since
commit 9c4cb82515 ("powerpc: Remove use of CONFIG_PPC_MERGE")

This removes a sparse warning.

Fixes: 9c4cb82515 ("powerpc: Remove use of CONFIG_PPC_MERGE")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
This commit is contained in:
Christophe Leroy 2019-03-09 18:47:27 +01:00 • committed by Michael Ellerman
commit 502523fd1d