[ Upstream commit 20933531be0577cdd782216858c26150dbc7936f ]
Move the prototypes into mpc10x.h which is included by all the relevant
C files, fixes:
arch/powerpc/platforms/embedded6xx/ls_uart.c:59:6: error: no previous prototype for 'avr_uart_configure'
arch/powerpc/platforms/embedded6xx/ls_uart.c:82:6: error: no previous prototype for 'avr_uart_send'
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://msgid.link/20240305123410.3306253-1-mpe@ellerman.id.au
Signed-off-by: Sasha Levin <sashal@kernel.org>
