arm64: Add prototypes for functions called by entry.S

Functions that are only called by assembly don't always have a
C header file prototype.

Add the prototypes before moving the assembly callers to C.

Signed-off-by: James Morse <james.morse@arm.com>
Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
James Morse 2019-10-25 17:42:11 +01:00 • committed by Catalin Marinas
commit e540e0a7fa