usb: dwc2: host: Correct snpsid checking for GDFIFOCFG

GDFIFOCFG is available from IP version 2.91a. Fix the code to reflect
this.
Signed-off-by: Sevak Arakelyan <sevaka@synopsys.com>
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>

drivers/usb/dwc2/core.h

@@ -940,6 +940,7 @@ struct dwc2_hsotg {
 	/* DWC OTG HW Release versions */
 #define DWC2_CORE_REV_2_71a	0x4f54271a
 #define DWC2_CORE_REV_2_90a	0x4f54290a
+#define DWC2_CORE_REV_2_91a	0x4f54291a
 #define DWC2_CORE_REV_2_92a	0x4f54292a
 #define DWC2_CORE_REV_2_94a	0x4f54294a
 #define DWC2_CORE_REV_3_00a	0x4f54300a

drivers/usb/dwc2/hcd.c

@@ -494,8 +494,9 @@ static void dwc2_config_fifos(struct dwc2_hsotg *hsotg)
 		dwc2_readl(hsotg->regs + HPTXFSIZ));
 
 	if (hsotg->params.en_multiple_tx_fifo &&
-	    hsotg->hw_params.snpsid <= DWC2_CORE_REV_2_94a) {
+	    hsotg->hw_params.snpsid >= DWC2_CORE_REV_2_91a) {
 		/*
+		 * This feature was implemented in 2.91a version
 		 * Global DFIFOCFG calculation for Host mode -
 		 * include RxFIFO, NPTXFIFO and HPTXFIFO
 		 */