global: Remove unused CONFIG defines

Remove some CONFIG symbols and related comments, etc, that are unused
within the code itself at this point.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/include/fsl_ddr.h b/include/fsl_ddr.h
index 24229f6..f336c6a 100644
--- a/include/fsl_ddr.h
+++ b/include/fsl_ddr.h
@@ -50,13 +50,12 @@
  *
  * All data structures have to be on the stack
  */
-#define CONFIG_SYS_DIMM_SLOTS_PER_CTLR CONFIG_DIMM_SLOTS_PER_CTLR
 
 typedef struct {
 	generic_spd_eeprom_t
-	   spd_installed_dimms[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_SYS_DIMM_SLOTS_PER_CTLR];
+	   spd_installed_dimms[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR];
 	struct dimm_params_s
-	   dimm_params[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_SYS_DIMM_SLOTS_PER_CTLR];
+	   dimm_params[CONFIG_SYS_NUM_DDR_CTLRS][CONFIG_DIMM_SLOTS_PER_CTLR];
 	memctl_options_t memctl_opts[CONFIG_SYS_NUM_DDR_CTLRS];
 	common_timing_params_t common_timing_params[CONFIG_SYS_NUM_DDR_CTLRS];
 	fsl_ddr_cfg_regs_t fsl_ddr_config_reg[CONFIG_SYS_NUM_DDR_CTLRS];
diff --git a/include/fsl_usb.h b/include/fsl_usb.h
index c0f076b..a37a6e5 100644
--- a/include/fsl_usb.h
+++ b/include/fsl_usb.h
@@ -43,10 +43,8 @@
 #define CONFIG_SYS_FSL_USB_CTRL_PHY_EN (1 << 0)
 #define CONFIG_SYS_FSL_USB_DRVVBUS_CR_EN (1 << 1)
 #define CONFIG_SYS_FSL_USB_PWRFLT_CR_EN (1 << 1)
-#define CONFIG_SYS_FSL_USB_PLLPRG1_PHY_DIV (1 << 0)
 #define CONFIG_SYS_FSL_USB_PLLPRG2_PHY2_CLK_EN (1 << 0)
 #define CONFIG_SYS_FSL_USB_PLLPRG2_PHY1_CLK_EN (1 << 1)
-#define CONFIG_SYS_FSL_USB_PLLPRG2_FRAC_LPF_EN (1 << 13)
 #ifdef CONFIG_SYS_FSL_SINGLE_SOURCE_CLK
 #define CONFIG_SYS_FSL_USB_PLLPRG2_REF_DIV_INTERNAL_CLK (5 << 4)
 #define CONFIG_SYS_FSL_USB_PLLPRG2_MFI_INTERNAL_CLK (6 << 16)
@@ -55,7 +53,6 @@
 #define CONFIG_SYS_FSL_USB_PLLPRG2_REF_DIV (1 << 4)
 #define CONFIG_SYS_FSL_USB_PLLPRG2_MFI (5 << 16)
 #define CONFIG_SYS_FSL_USB_PLLPRG2_PLL_EN (1 << 21)
-#define CONFIG_SYS_FSL_USB_SYS_CLK_VALID (1 << 0)
 #define CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_EN (1 << 7)
 #define CONFIG_SYS_FSL_USB_XCVRPRG_HS_DCNT_PROG_MASK (3 << 4)