83xx/km83xx: read the IVM eeprom earlier

This allows to define the ethaddr env variable according to the the IVM
content by reading the IVM in misc_init_r.

Later, when HUSH is available the content read earlier is analyzed to
populate some non env variables.

Signed-off-by: Valentin Longchamp <valentin.longchamp@keymile.com>

board/keymile/km83xx/km83xx.c

@@ -28,6 +28,8 @@
 
 #include "../common/common.h"
 
+static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
+
 const qe_iop_conf_t qe_iop_conf_tab[] = {
 	/* port pin dir open_drain assign */
 #if defined(CONFIG_MPC8360)
@@ -190,6 +192,7 @@ int board_early_init_r(void)
 
 int misc_init_r(void)
 {
+	ivm_simple_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
 	return 0;
 }
 
@@ -370,7 +373,7 @@ int ft_board_setup(void *blob, bd_t *bd)
 #if defined(CONFIG_HUSH_INIT_VAR)
 int hush_init_var(void)
 {
-	ivm_read_eeprom();
+	ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
 	return 0;
 }
 #endif