Fix erase-blocks specification for the Atmel AT49F002(N)(T).

Signed-off-by: Uwe Hermann <uwe@hermann-uwe.de>

Index: flashchips.c
===================================================================
--- flashchips.c	(Revision 881)
+++ flashchips.c	(Arbeitskopie)
@@ -1111,8 +1111,8 @@
 				.eraseblocks = {
 					{16 * 1024, 1},
 					{8 * 1024, 2},
-					{96 * 1024, 1},
-					{128 * 1024, 1},
+					{32 * 1024, 1},
+					{64 * 1024, 3},
 				},
 				.block_erase = erase_sector_jedec,
 			}, {
@@ -1140,8 +1140,8 @@
 		{
 			{
 				.eraseblocks = {
-					{128 * 1024, 1},
-					{96 * 1024, 1},
+					{64 * 1024, 3},
+					{32 * 1024, 1},
 					{8 * 1024, 2},
 					{16 * 1024, 1},
 				},