kirkwood/km_arm: 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/km_arm/km_arm.c

@@ -102,6 +102,8 @@ static const u32 kwmpp_config[] = {
 	0
 };
 
+static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN];
+
 #if defined(CONFIG_KM_MGCOGE3UN)
 /*
  * Wait for startup OK from mgcoge3ne
@@ -210,6 +212,8 @@ int misc_init_r(void)
 	}
 #endif
 
+	ivm_simple_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN);
+
 	initialize_unit_leds();
 	set_km_env();
 	set_bootcount_addr();
@@ -419,7 +423,7 @@ void reset_phy(void)
 #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