riscv: Remove redundant CONFIG_64BIT from pgtable_l{4,5}_enabled

IS_ENABLED(CONFIG_64BIT) in initialization of pgtable_l{4,5}_enabled is
redundant, remove it.

Signed-off-by: Dawei Li <[email protected]>
Reviewed-by: Alexandre Ghiti <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Palmer Dabbelt <[email protected]>

Author: Dawei Li

arch/riscv/mm/init.c

@@ -49,8 +49,8 @@ u64 satp_mode __ro_after_init = SATP_MODE_32;
 EXPORT_SYMBOL(satp_mode);
 
 #ifdef CONFIG_64BIT
-bool pgtable_l4_enabled = IS_ENABLED(CONFIG_64BIT) && !IS_ENABLED(CONFIG_XIP_KERNEL);
-bool pgtable_l5_enabled = IS_ENABLED(CONFIG_64BIT) && !IS_ENABLED(CONFIG_XIP_KERNEL);
+bool pgtable_l4_enabled = !IS_ENABLED(CONFIG_XIP_KERNEL);
+bool pgtable_l5_enabled = !IS_ENABLED(CONFIG_XIP_KERNEL);
 EXPORT_SYMBOL(pgtable_l4_enabled);
 EXPORT_SYMBOL(pgtable_l5_enabled);
 #endif