davinci: DM365: Allow use of GPIO64_57

Extended the MUX configuration to allow use of GPIO
terminals 64..57.
Signed-off-by: NThomas Koeller <thomas.koeller@baslerweb.com>
Signed-off-by: NKevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/dm365.c

@@ -576,6 +576,7 @@ MUX_CFG(DM365,	SPI4_SDENA1,	4,   16,    3,    2,	 false)
 MUX_CFG(DM365,	GPIO20,		3,   21,    3,    0,	 false)
 MUX_CFG(DM365,	GPIO33,		4,   12,    3,	  0,	 false)
 MUX_CFG(DM365,	GPIO40,		4,   26,    3,	  0,	 false)
+MUX_CFG(DM365,	GPIO64_57,	2,   6,     1,	  0,	 false)
 
 MUX_CFG(DM365,	VOUT_FIELD,	1,   18,    3,	  1,	 false)
 MUX_CFG(DM365,	VOUT_FIELD_G81,	1,   18,    3,	  0,	 false)

arch/arm/mach-davinci/include/mach/mux.h

@@ -291,6 +291,7 @@ enum davinci_dm365_index {
 	DM365_GPIO20,
 	DM365_GPIO33,
 	DM365_GPIO40,
+	DM365_GPIO64_57,
 
 	/* Video */
 	DM365_VOUT_FIELD,