Mark SST49LF004A/B as tested

Tested by me on actual hardware (all operations) - Artec Group DBE62
with SST 49LF004B

Corresponding to flashrom svn r251 and coreboot v2 svn r3350.
Signed-off-by: Mart Raudsepp <mart.raudsepp@artecdesign.ee>
Acked-by: Mart Raudsepp <mart.raudsepp@artecdesign.ee>

flashchips.c

@@ -86,7 +86,7 @@ struct flashchip flashchips[] = {
 // assume similar to 004B, ignoring data sheet
 	{"SST",		"SST49LF002A/B",	SST_ID,		SST_49LF002A,		256,	16 * 1024,	TEST_OK_PREW,	probe_sst_fwhub,	erase_sst_fwhub,		write_sst_fwhub},
 	{"SST",		"SST49LF003A/B",	SST_ID,		SST_49LF003A,		384,	64 * 1024,	TEST_UNTESTED,	probe_sst_fwhub,	erase_sst_fwhub,		write_sst_fwhub},
-	{"SST",		"SST49LF004A/B",	SST_ID,		SST_49LF004A,		512,	64 * 1024,	TEST_UNTESTED,	probe_sst_fwhub,	erase_sst_fwhub,		write_sst_fwhub},
+	{"SST",		"SST49LF004A/B",	SST_ID,		SST_49LF004A,		512,	64 * 1024,	TEST_OK_PREW,	probe_sst_fwhub,	erase_sst_fwhub,		write_sst_fwhub},
 	{"SST",		"SST49LF004C",		SST_ID,		SST_49LF004C,		512,	4 * 1024,	TEST_UNTESTED,	probe_49lfxxxc,		erase_49lfxxxc,			write_49lfxxxc},
 	{"SST",		"SST49LF008A",		SST_ID,		SST_49LF008A,		1024,	64 * 1024,	TEST_UNTESTED,	probe_sst_fwhub,	erase_sst_fwhub,		write_sst_fwhub},
 	{"SST",		"SST49LF008C",		SST_ID,		SST_49LF008C,		1024,	4 * 1024,	TEST_UNTESTED,	probe_49lfxxxc,		erase_49lfxxxc,			write_49lfxxxc},