linux-imx

powerpc/ipic: drop unused functions

ipic_set_highest_priority(), ipic_enable_mcp() and ipic_disable_mcp()
are unused. This patch drops them.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>