[Blackfin] arch: Adjust the u-boot and kernel image partition size in mtd device.

Signed-off-by: Grace Pan <grace.pan@analog.com>
Signed-off-by: Bryan Wu <cooloney@kernel.org>

diff --git a/arch/blackfin/mach-bf548/boards/ezkit.c b/arch/blackfin/mach-bf548/boards/ezkit.c
index 073bfdd..548820d 100644
--- a/arch/blackfin/mach-bf548/boards/ezkit.c
+++ b/arch/blackfin/mach-bf548/boards/ezkit.c
@@ -339,7 +339,7 @@
 		.offset     = 0,
 	}, {
 		.name       = "Kernel",
-		.size       = 0xE0000,
+		.size       = 0x1C0000,
 		.offset     = MTDPART_OFS_APPEND,
 	}, {
 		.name       = "RootFS",