config: update and enable armv7hl
    
    New config option values copied from arm64 except:
      - PCI_IXP4XX=n (does not allow module build)
      - MTD_NAND_PL35X=m
      - IPMI_KCS_BMC_CDEV_IPMI=m
      - IPMI_KCS_BMC_SERIO=m
      - MSC313E_WATCHDOG=m
      - REGULATOR_MT6359=m
      - REGULATOR_RT5033=m
      - ARM_GT_INITIAL_PRESCALER_VAL=2 (default)
      - INTEL_QEP=m