sgi: sgm: Migrate to new interfaces

- Remove references to removed build options.
- Remove support for LOAD_IMAGE_V2=0.

Change-Id: I296385ef2ebf829446c76a54400d73f963ed265f
Tested-by: Nariman Poushin <nariman.poushin@linaro.org>
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/plat/arm/css/sgm/sgm_mmap_config.c b/plat/arm/css/sgm/sgm_mmap_config.c
index 8a4a8ab..0f04109 100644
--- a/plat/arm/css/sgm/sgm_mmap_config.c
+++ b/plat/arm/css/sgm/sgm_mmap_config.c
@@ -43,7 +43,7 @@
 #ifdef SPD_opteed
 	ARM_OPTEE_PAGEABLE_LOAD_MEM,
 #endif
-#if TRUSTED_BOARD_BOOT && LOAD_IMAGE_V2 && !BL2_AT_EL3
+#if TRUSTED_BOARD_BOOT && !BL2_AT_EL3
 	ARM_MAP_BL1_RW,
 #endif
 	{0}