hw/arm/bcm2835_peripherals: change maximum block size to 1kB

following the datasheet.
Signed-off-by: NPhilippe Mathieu-Daudé <f4bug@amsat.org>
Acked-by: NAlistair Francis <alistair.francis@xilinx.com>
Message-Id: <20180208164818.7961-25-f4bug@amsat.org>

hw/arm/bcm2835_peripherals.c

@@ -19,7 +19,7 @@
 #define BCM2835_VC_PERI_BASE 0x7e000000
 
 /* Capabilities for SD controller: no DMA, high-speed, default clocks etc. */
-#define BCM2835_SDHC_CAPAREG 0x52034b4
+#define BCM2835_SDHC_CAPAREG 0x52134b4
 
 static void bcm2835_peripherals_init(Object *obj)
 {