defconfig: b1c1: enable zram deduplication feature

* Unset CONFIG_ZRAM_WRITEBACK while at it as writeback isn't being used

Author: ExactExampl

arch/arm64/configs/b1c1_defconfig

@@ -290,7 +290,8 @@ CONFIG_IPC_ROUTER_SECURITY=y
 CONFIG_FW_LOADER_USER_HELPER_FALLBACK=y
 CONFIG_DMA_CMA=y
 CONFIG_ZRAM=y
-CONFIG_ZRAM_WRITEBACK=y
+CONFIG_ZRAM_DEDUP=y
+# CONFIG_ZRAM_WRITEBACK is not set
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_LOOP_MIN_COUNT=16
 CONFIG_BLK_DEV_RAM=y