hw: Move M48T59 device from hw/timer/ to hw/rtc/ subdirectory

The M48T59 is a Real Time Clock, not a timer.
Move it under the hw/rtc/ subdirectory.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20191003230404.19384-5-philmd@redhat.com>
Signed-off-by: Laurent Vivier <laurent@vivier.eu>
diff --git a/MAINTAINERS b/MAINTAINERS
index 7eba146..4e65f06 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -1064,9 +1064,9 @@
 F: hw/isa/i82378.c
 F: hw/isa/pc87312.c
 F: hw/dma/i82374.c
-F: hw/timer/m48t59-isa.c
+F: hw/rtc/m48t59-isa.c
 F: include/hw/isa/pc87312.h
-F: include/hw/timer/m48t59.h
+F: include/hw/rtc/m48t59.h
 F: pc-bios/ppc_rom.bin
 
 sPAPR