conf: cards: unify whitespace - use tabs and remove trailing spaces

Convert leading spaces to tabs for consistent indentation,
remove trailing whitespace from all lines, and normalize
file endings across all card configuration files.

Signed-off-by: Jaroslav Kysela <perex@perex.cz>

src/conf/cards/pistachio-card.conf

@@ -1,10 +1,10 @@
 #
 # Configuration for the pistachio chip.
 #
-# The data sheet of the chip and technical reference manual can be 
-found at 
+# The data sheet of the chip and technical reference manual can be
+found at
 https://docs.creatordev.io/ci40/guides/hardwaredocs/cXT200_datasheet2.p
-df # and 
+df # and
 https://docs.creatordev.io/ci40/guides/hardwaredocs/MIPS_Creator_cXT200_Technical_Reference_Manual_1.0.112.pdf.
 #
 # The list of hardware devices is as per below:
@@ -30,30 +30,30 @@ https://docs.creatordev.io/ci40/guides/hardwaredocs/MIPS_Creator_cXT200_Technica
 #
 
 pistachio-card.pcm.!default {
-        @args [ CARD ]
-        @args.CARD {
-                type string
-                default "pistachio"
-        }
-        @args.DEVICE {
-                type integer
-                default 2
-        }
+	@args [ CARD ]
+	@args.CARD {
+		type string
+		default "pistachio"
+	}
+	@args.DEVICE {
+		type integer
+		default 2
+	}
 
-        type asym
-        capture.pcm {
-                type multi
-                slaves.a.pcm "hw:0,4"
-                slaves.a.channels 12
-                bindings.0.slave a
-                bindings.0.channel 4
-                bindings.1.slave a
-                bindings.1.channel 5
-        }
+	type asym
+	capture.pcm {
+		type multi
+		slaves.a.pcm "hw:0,4"
+		slaves.a.channels 12
+		bindings.0.slave a
+		bindings.0.channel 4
+		bindings.1.slave a
+		bindings.1.channel 5
+	}
 
-        playback.pcm {
-                type hw
-                card $CARD
-                device $DEVICE
-        }
+	playback.pcm {
+		type hw
+		card $CARD
+		device $DEVICE
+	}
 }