Add support for missing rp2040 SPI0 RX (GP20) pin
(0, GP2, GP3, GP0),
(0, GP2, GP3, GP4),
(0, GP2, GP3, GP16),
+ (0, GP2, GP3, GP20),
(0, GP2, GP7, GP0),
(0, GP2, GP7, GP4),
(0, GP2, GP7, GP16),
+ (0, GP2, GP7, GP20),
(0, GP2, GP19, GP0),
(0, GP2, GP19, GP4),
(0, GP2, GP19, GP16),
+ (0, GP2, GP19, GP20),
(0, GP6, GP3, GP0),
(0, GP6, GP3, GP4),
(0, GP6, GP3, GP16),
+ (0, GP6, GP3, GP20),
(0, GP6, GP7, GP0),
(0, GP6, GP7, GP4),
(0, GP6, GP7, GP16),
+ (0, GP6, GP7, GP20),
(0, GP6, GP19, GP0),
(0, GP6, GP19, GP4),
(0, GP6, GP19, GP16),
+ (0, GP6, GP19, GP20),
(0, GP18, GP3, GP0),
(0, GP18, GP3, GP4),
(0, GP18, GP3, GP16),
+ (0, GP18, GP3, GP20),
(0, GP18, GP7, GP0),
(0, GP18, GP7, GP4),
(0, GP18, GP7, GP16),
+ (0, GP18, GP7, GP20),
(0, GP18, GP19, GP0),
(0, GP18, GP19, GP4),
(0, GP18, GP19, GP16),
+ (0, GP18, GP19, GP20),
(1, GP10, GP11, GP8),
(1, GP10, GP11, GP12),
(1, GP10, GP15, GP8),