Add support for remaining Numonyx (Micron) N25Q chips

Add...
 - N25Q128..3E
 - N25Q128..1E
 - N25Q256..1E (defunct due to addressing)
 - N25Q256..3E (defunct due to addressing)
 - N25Q512..1E (defunct due to addressing)
 - N25Q512..3E (defunct due to addressing)
 - N25Q00A..3G (defunct due to addressing)

Also, refine existing family members.

Corresponding to flashrom svn r1693.

Signed-off-by: Nikolay Nikolaev <evrinoma@gmail.com>
Reviewed-by: Steven Zakulec <spzakulec@gmail.com>
Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
diff --git a/spi.h b/spi.h
index 9e38e74..de5b3be 100644
--- a/spi.h
+++ b/spi.h
@@ -91,6 +91,11 @@
 #define JEDEC_BE_81_OUTSIZE	0x04
 #define JEDEC_BE_81_INSIZE	0x00
 
+/* Block Erase 0xc4 is supported by Micron chips. */
+#define JEDEC_BE_C4		0xc4
+#define JEDEC_BE_C4_OUTSIZE	0x04
+#define JEDEC_BE_C4_INSIZE	0x00
+
 /* Block Erase 0xd8 is supported by EON/Macronix chips. */
 #define JEDEC_BE_D8		0xd8
 #define JEDEC_BE_D8_OUTSIZE	0x04