Add support for Eon EN25S series

Add...
 - EN25S10
 - EN25S20
 - EN25S40
 - EN25S80
 - EN25S16
 - EN25S32
 - EN25S64

Corresponding to flashrom svn r1687.

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/spi25_statusreg.c b/spi25_statusreg.c
index 5560f5b..6b4e516 100644
--- a/spi25_statusreg.c
+++ b/spi25_statusreg.c
@@ -591,6 +591,20 @@
 	return spi_disable_blockprotect_generic(flash, 0x7C, 1 << 7, 0, 0xFF);
 }
 
+/* === Eon === */
+
+int spi_prettyprint_status_register_en25s_wp(struct flashctx *flash)
+{
+	uint8_t status = spi_read_status_register(flash);
+	spi_prettyprint_status_register_hex(status);
+
+	spi_prettyprint_status_register_srwd(status);
+	msg_cdbg("Chip status register: WP# disable (WPDIS) is %sabled\n", (status & (1 << 6)) ? "en " : "dis");
+	spi_prettyprint_status_register_bp(status, 3);
+	spi_prettyprint_status_register_welwip(status);
+	return 0;
+}
+
 /* === Intel === */
 
 /* TODO: Clear P_FAIL and E_FAIL with Clear SR Fail Flags Command (30h) here? */