sfxge: add new identities to Siena static config

Submitted by:   Andrew Jackson <ajackson at solarflare.com>
Sponsored by:   Solarflare Communications, Inc.
Approved by:    gnn (mentor)

sys/dev/sfxge/common/siena_flash.h

@@ -81,7 +81,9 @@ typedef struct siena_mc_static_config_hdr_s {	/* GENERATED BY scripts/genfwdef *
 	efx_byte_t	green_mode_valid;	/* Whether cal holds a valid value */
 	efx_word_t	mac_addr_count;
 	efx_word_t	mac_addr_stride;
-	efx_dword_t	reserved2[2];		/* (write as zero) */
+	efx_word_t	calibrated_vref;
+	efx_word_t	adc_vref;
+	efx_dword_t	reserved2[1];		/* (write as zero) */
 	efx_dword_t	num_dbi_items;
 	struct {
 		efx_word_t	addr;